Tag: Dr Shibal Bhartiya glaucoma specialist Gurgaon

Avoid Glaucoma Surgery

Glaucoma can appear uncontrolled when medications are not being used consistently or correctly. Complex treatment schedules, poor eye drop technique, treatment fatigue, and medication side effects may raise eye pressure and mimic disease progression. A glaucoma second opinion can identify these issues before surgery is considered.

Not every patient with glaucoma needs surgery immediately. In many cases, improving eye drop technique, simplifying medications with fixed-dose combinations, or considering SLT laser treatment can achieve good pressure control and delay or avoid surgery. This is when a Glaucoma Second Opinion can help, says Dr Shibal Bhartiya.

A Word of Caution: Avoiding glaucoma surgery is NOT always advisable. In certain cases, the surgery is the only option, and helps prevent blindness. You must discuss the risks and benefits of your treatment protocol in detail with your glaucoma doctor before coming to a decision.

She Was Told She Needed Surgery

Anita, 63, had been living with glaucoma for nearly six years when she came to see me. At her previous appointment, surgery had been advised. Her eye pressure remained above target despite treatment, and recent visual field tests suggested possible progression. The changes were not dramatic, but they were concerning enough for surgery to enter the discussion.

She arrived carrying a large folder of records and four eye drop bottles.

As I reviewed her reports, I understood the concern. Her pressures were higher than ideal. A few visual field tests appeared slightly worse than earlier ones. Yet the optic nerve photographs showed only subtle change over time.

The clue had been present for months. I asked Anita to describe her treatment routine.

She was not avoiding treatment. She was trying very hard to follow it. The problem was that her regimen had gradually become more complicated. Four medications meant four separate bottles. Some needed morning doses. Others needed evening doses. During travel, one bottle might be forgotten. On busy days, she sometimes could not remember whether she had already used a drop.

Then I asked her to put in her medication. One drop landed on her cheek. Another missed the eye completely.

The glaucoma was real. The pressure problem was real. The possible progression was real.

But the patient was not failing treatment. The treatment plan was failing the patient. We simplified her regimen. Four separate medications became two fixed-dose combination bottles. We reviewed eye drop technique and built the schedule around her daily routine. Over the next three months, we achieved her target IOP, with the same medicines. Just in fewer bottles, and just because she learnt how to put them herself.

Over the last two years, her visual fields and RNFL OCT have been stable.

Patient details have been changed to protect privacy.

Here is What We Must Remember

Anita’s case highlights an important lesson. Not every patient with uncontrolled eye pressures needs glaucoma surgery. Sometimes the problem lies in how treatment is being delivered rather than the treatment itself. Glaucoma medications only work when they reach the eye consistently and correctly. Before treatment is escalated, it is important to understand whether the prescribed therapy is practical, tolerable, and sustainable. In this article, I explain why glaucoma treatment sometimes appears to fail and how a glaucoma second opinion can help.

Why Glaucoma Treatment Sometimes Appears To Fail

The goal of glaucoma treatment is simple. Lower eye pressure enough to prevent damage to the optic nerve. Achieving that goal is often more complicated.

Many patients begin treatment with a single eye drop. As glaucoma progresses, additional medications may be added. Over time, one bottle can become two, then three, then four. Each medication may have a different schedule.

For some patients, this becomes difficult to sustain.

In my practice, I commonly see patients who understand the importance of their medication but struggle with the practical realities of long-term treatment. Life gets busy. Travel happens. Schedules change. Even highly motivated patients miss doses.

Poor adherence does not always mean patients are careless. More often, it reflects treatment burden.

The clue had been present for almost a year in Anita’s case. Her pressure fluctuated more than expected. Her visual fields suggested borderline progression. Yet the optic nerve remained relatively stable. The pattern suggested that treatment effectiveness might be inconsistent.

When treatment appears to fail, specialists should ask several questions:

  • Is the diagnosis correct?
  • Is the target pressure appropriate?
  • Is the medication reaching the eye?
  • Is the patient able to follow the regimen?
  • Are side effects reducing adherence?

The answers can significantly change management.

The Importance of Eye Drop Technique

Many patients have never been shown how to use an eye drop correctly.

Common mistakes include:

  • Missing the eye completely
  • Blinking immediately after instillation
  • Using multiple drops at once
  • Touching the bottle tip to the eye
  • Administering medications too close together

Even small technique errors can reduce treatment effectiveness.

A simple demonstration often reveals problems that no scan or visual field test can detect.

Why Fixed-Dose Combinations Matter

Fixed-dose combinations combine two glaucoma medications into a single bottle.

Many patients assume these combinations are prescribed for convenience alone. In reality, they often improve treatment success.

A patient using four medications in four separate bottles may struggle with timing, scheduling, and adherence. The same medications delivered through two fixed-dose combinations can reduce confusion and simplify daily routines.

Fewer bottles often mean:

  • Better adherence
  • Less treatment fatigue
  • Lower preservative exposure
  • Greater long-term consistency

The most effective treatment is not always the strongest treatment. Often, it is the treatment a patient can realistically follow every day for years.

Could Laser Treatment Reduce the Need for Eye Drops?

For some patients, Selective Laser Trabeculoplasty (SLT) offers another way to lower eye pressure without adding more medications. SLT is a quick outpatient laser procedure that improves the eye’s natural drainage system. It does not cure glaucoma, but it can reduce eye pressure and, in some patients, decrease the number of medications needed.

This can be particularly helpful for patients who struggle with eye drop schedules, experience side effects from medications, or find long-term adherence difficult. While not every patient is a suitable candidate, SLT is increasingly being used earlier in the treatment pathway because it avoids many of the compliance challenges associated with daily eye drops. A glaucoma specialist can determine whether SLT is appropriate based on the type of glaucoma, eye pressure targets, and the overall risk of progression.

This is why a glaucoma second opinion should not focus only on surgery versus medications. For selected patients, laser treatment may offer an effective middle path.

How to Tell Glaucoma Progression From Treatment Problems

SymptomWhat It SuggestsWhat To Do
Rising eye pressure with stable optic nervePossible adherence issueReview medication use and eye drop technique within weeks
Borderline visual field progressionInconsistent treatment or early progressionRepeat visual field testing and specialist review
Multiple missed doses each weekTreatment burdenSimplify regimen and reassess pressure
Burning or redness from medicationOcular surface toxicityReview medications and ocular surface health
Difficulty managing several bottlesCompliance challengeConsider fixed-dose combinations
Progressive optic nerve damage despite good adherenceTrue disease progressionDiscuss laser or surgical options with a glaucoma specialist

Why This Diagnosis Is So Often Missed

Doctors naturally focus on disease progression. Sometimes the treatment process receives less attention.

Eye pressure is easy to measure. Medication adherence is much harder to assess. Many patients feel embarrassed to admit they miss doses. Others genuinely believe they are using their medication correctly.

Busy clinics may not have time to observe eye drop technique. Treatment burden develops gradually. Patients adapt to it until the regimen becomes overwhelming.

Preservatives in glaucoma medications may also contribute to ocular surface disease. Redness, burning, and irritation can reduce adherence further.

When eye pressure rises, it is easy to assume the disease is worsening. Sometimes the medication is simply not reaching the eye consistently.

Recognising this distinction can prevent unnecessary treatment escalation.

When To See an Eye Specialist

You should seek specialist evaluation, or a second opinion, if:

  • You have been advised glaucoma surgery and want a second opinion
  • Eye pressure remains above target despite multiple medications
  • Your visual field tests show possible progression
  • You struggle to remember or administer your eye drops
  • Your eyes burn, sting, or remain red after glaucoma treatment
  • You have been told everything is stable but symptoms continue

Frequently Asked Questions

Can poor eye drop technique make glaucoma appear worse?

Yes. If medication does not reach the eye consistently, eye pressure may remain elevated. This can create the impression that treatment is failing even when the prescription itself is appropriate.

Why might a glaucoma specialist recommend a second opinion before surgery?

A second opinion helps confirm whether glaucoma is truly progressing. It also evaluates medication adherence, eye drop technique, treatment burden, and medication tolerance before irreversible procedures are considered.

How do fixed-dose combination eye drops help glaucoma patients?

Fixed-dose combinations reduce the number of bottles and simplify treatment schedules. This often improves adherence and helps patients maintain more consistent pressure control over time.

Should glaucoma surgery be delayed if treatment adherence is poor?

Not always. Some patients genuinely require surgery. However, adherence problems, poor eye drop technique, and unnecessarily complex regimens should be identified and addressed before concluding that surgery is the only option.

Book a Consultation

Consider a consultation if you have been advised glaucoma surgery, if your eye pressure remains uncontrolled, or if your visual field tests show possible progression despite treatment.

A glaucoma consultation includes assessment of optic nerve health, visual field results, pressure trends, medication tolerance, and practical evaluation of how glaucoma medications are being used.

[Book an Appointment →+91 8882638735]

This page is a part of the Glaucoma Hub. you may want to read about Glaucoma Progression, and Risk Stratification in Glaucoma. Other articles of interest could be Advanced Glaucoma Care in Gurgaon, What Good Glaucoma Care Actually Optimises For, What Happens If Glaucoma Is Left Untreated?, More Glaucoma Eye Drops is Not Better Glaucoma Care, 5 Mistakes Patients Make in Glaucoma Care and Do You Really Need Treatment for Glaucoma?

You may also want to read Glaucoma Second Opinion — Gurgaon, Online Glaucoma Consultation and Second Opinion Before Eye Surgery.

About the Author

This article was written by Dr Shibal Bhartiya, fellowship-trained glaucoma specialist and Mayo Clinic Research Collaborator, Clinical Director at Marengo Asia Hospitals, Gurugram, known for ethical, patient-centred glaucoma care and independent glaucoma second opinions. She is also the Program Director for Community Outreach & Wellness; and for the Marengo Asia International Institute of Neuro and Spine.

She has published peer-reviewed research on glaucoma management, examining how treatment decisions should balance medical evidence, patient preferences, and long-term vision outcomes.

As Editor-in-Chief of Clinical and Experimental Vision and Eye Research and Executive Editor of the Journal of Current Glaucoma Practice (Pubmed Indexed, official journal of the International Society of Glaucoma Surgery), Dr Shibal Bhartiya brings editorial and research depth to every clinical decision. Her 200+ publications, including 90+ PubMed-indexed publications and 28 edited textbooks span glaucoma biology, surgical outcomes, health equity, and emerging diagnostics.

1500+ Five Star Patient Reviews Google Business Profile

If you are unable to come to Dr Bhartiya’s clinic: Read more about teleconsultation

Read her research on PubMed | Google Scholar | ResearchGate | ORCID

Upload your reports for a structured review.| www.drshibalbhartiya.com | +91 88826 38735

Leave a review on Google

A Routine Eye Check and Glaucoma

A routine eye check may raise suspicion of glaucoma through elevated eye pressure, changes in the optic nerve, or unexplained vision changes. However, confirming glaucoma usually requires specialised tests such as optic nerve imaging, visual field testing, and corneal thickness measurement. Also, a routine for glasses is not a substitute for an eye exam, as the former can often miss glaucoma.

Glaucoma usually causes no pain, no redness, and no obvious vision change in its early stages. Most people with glaucoma feel completely normal until significant and irreversible damage has occurred. The only way to detect it early is a comprehensive eye examination that includes optic nerve assessment, intraocular pressure measurement, and visual field testing

A Routine Eye Check Revealed a Sight-Threatening Disease

Mrs SG came to see me because her glasses prescription had not felt right for a few months. She was 57. She worked at a desk. Her eyes were tired by evening, and she assumed she needed a stronger number. She had no pain. No redness. No alarming moment that made her think something was wrong.

Her previous optician had given her a new prescription six months earlier. It had not helped. She booked an appointment with me because a colleague had suggested a second opinion.

I examined her in the usual way. Her visual acuity was reasonable. Her anterior segment was quiet. Then I checked her retina and optic nerve.

The optic nerve in her left eye had a cup that was too large. The rim tissue was thinning at the inferior pole. Her intraocular pressure was 24 mmHg in the right eye and 26 in the left. I asked her to sit with the visual field machine.

The field test confirmed what the disc had suggested. There was a dense arcuate defect in her left eye. A significant portion of her peripheral vision was already gone. She had not noticed. You rarely do with glaucoma, because the brain fills in the gaps until it cannot.

She did not need a stronger glasses prescription. She had glaucoma, and it had been quietly advancing for what was likely several years.

Patient details have been changed to protect privacy.

Remember

Sunita’s case is not unusual. Glaucoma is called the silent thief of sight for a reason. It causes no pain, no visible redness, and no early warning that most patients would recognise. By the time vision loss is noticeable, the disease has already caused permanent damage. In India, an estimated 12 million people have glaucoma, and almost 90% of them do not know it. (The Chennai glaucoma Study).

Below, I explain what glaucoma actually does to the eye, why it is so reliably missed, and which symptoms, or absences of symptoms, should prompt an urgent examination.

What Glaucoma Actually Does to Your Eye

Glaucoma is a disease of the optic nerve. The optic nerve carries visual information from the eye to the brain. When this nerve is damaged, that information is lost permanently. No treatment can restore what is already gone. Treatment can only slow or stop further damage.

In most cases, the damage is caused or worsened by raised pressure inside the eye. This pressure, called intraocular pressure or IOP, builds when fluid inside the eye does not drain properly. The drainage system becomes less efficient over time, pressure rises, and the optic nerve fibres begin to die. The process is painless in the vast majority of patients.

What makes glaucoma particularly deceptive is the pattern of vision loss. It begins at the periphery, the edges of your visual field. The brain compensates automatically. Both eyes together create a complete picture, and each eye covers for the blind spots of the other. Patients often do not notice peripheral vision loss until more than 40 percent of their optic nerve fibres have already been destroyed. By that point, the disease is well advanced.

In SG’s case, her glasses prescription had changed slightly because her visual system was compensating for early field loss. It was not a refractive change. It was her brain working harder to make sense of incomplete information. This pattern, subtle visual dissatisfaction without a clear cause, is one of the most common presentations I see in patients who turn out to have early to moderate glaucoma.

Glaucoma vs Normal Ageing: How to Tell the Difference

Symptom or SignWhat It SuggestsWhat To Do
Gradual blurring that a new glasses prescription does not fixMay indicate optic nerve or macular pathology, not refractive changeSee an ophthalmologist for optic nerve assessment, not just a refraction
Difficulty adjusting from bright to dim lightCan be an early sign of peripheral field lossRequest a visual field test at your next eye appointment
Frequent glasses changes with no lasting improvementSuggests the problem is not the prescriptionAsk for intraocular pressure measurement and disc evaluation
Mild headache or eye heaviness without rednessIn some patients, mildly elevated IOP causes subtle discomfortCheck IOP, especially if over 40 or with family history of glaucoma
No symptoms at all, but a family member has glaucomaFirst-degree relatives have a 4 to 9 times higher riskSchedule a comprehensive glaucoma screening even if you feel completely well
Squinting or tilting the head to see clearlyMay indicate undetected visual field asymmetryFull field test for both eyes separately

Why Glaucoma Is So Often Missed

The most common reason glaucoma goes undetected is that a routine glasses check is not a glaucoma examination.

When a patient visits an optician or a basic eye clinic for a new prescription, the standard assessment measures visual acuity and refraction. It does not always include optic nerve photography, intraocular pressure measurement, or visual field testing. These are the three investigations that detect glaucoma. Without all three, the disease is invisible.

Sunita had seen an optician twice in three years. Her visual acuity was checked each time. Her optic nerve was never examined.

The second reason glaucoma is missed is the absence of symptoms. Patients present to doctors when something feels wrong. Glaucoma does not feel wrong, not for years. There is no cultural expectation in India of an annual comprehensive eye examination. Most people attend only when they need a new prescription or when something is visibly red or painful. By those criteria, a glaucoma patient has no reason to come at all.

The third reason is that IOP alone is not a reliable screening tool. Many patients with glaucoma have pressure in the so-called normal range. Normal-tension glaucoma accounts for a substantial proportion of cases, particularly in people of Asian descent. A single IOP reading of 16 mmHg does not exclude the diagnosis.

SG’s IOP was elevated, which made diagnosis more straightforward. But many of my patients with confirmed glaucoma have had pressures that would not have triggered concern at a routine check.

When To See an Eye Specialist

See an ophthalmologist for a comprehensive glaucoma assessment if any of the following apply:

  • A parent, sibling, or child has been diagnosed with glaucoma
  • You are over 40 and have not had a comprehensive eye examination in the past two years
  • You have been told your eye pressure is “a little high” but were not referred further
  • You have changed your glasses prescription twice in two years with no lasting improvement
  • You have diabetes, as this increases glaucoma risk
  • You are of South Asian, East Asian, or African descent, all of which carry higher glaucoma risk
  • You use steroid eye drops, nasal sprays, or inhalers long-term
  • You were told everything was fine, but your vision still does not feel right

A comprehensive assessment takes around 30 to 45 minutes and is painless. It will include optic nerve imaging, IOP measurement, corneal thickness assessment, and a visual field test. This combination reliably detects glaucoma at a stage when treatment can prevent significant vision loss.

Frequently Asked Questions

Can you have glaucoma with normal eye pressure?

Yes. Normal-tension glaucoma is a recognised and common form of the disease, particularly in people of Asian descent. A normal IOP reading does not rule out glaucoma; optic nerve assessment and visual field testing are essential.

Does glaucoma always cause pain?

No. The most common forms of glaucoma are completely painless. Pain is associated with acute angle-closure glaucoma, which is a sudden and rare presentation. Most patients with chronic open-angle glaucoma, the most prevalent type, feel nothing at all until vision loss is advanced.

Can lost vision from glaucoma be restored?

No. Optic nerve damage caused by glaucoma is permanent. Treatment with eye drops, laser, or surgery can slow or stop further damage, but vision already lost cannot be recovered. Early detection is the only way to protect useful sight.

How often should I have a glaucoma check if I have a family history?

If a first-degree relative has glaucoma, you should have a comprehensive eye examination every year from the age of 40, or earlier if your ophthalmologist advises it.

Book a Consultation

If you have a family history of glaucoma, have not had a comprehensive eye examination in the past two years, or have been told your eye pressure is elevated, a dedicated assessment is worth arranging now. The earlier glaucoma is found, the more vision can be protected.

At Dr Shibal Bhartiya Eye Clinic, Gurugram, a glaucoma assessment includes optic nerve imaging, visual field testing, corneal thickness measurement, and a full review of your risk profile. [second opinion]

[Book an Appointment → +91 88826 38735]

This page is a part of the Glaucoma Hub. you may want to read about Glaucoma Progression, and Risk Stratification in Glaucoma. Other articles of interest could be Advanced Glaucoma Care in Gurgaon, What Good Glaucoma Care Actually Optimises For, What Happens If Glaucoma Is Left Untreated?, More Glaucoma Eye Drops is Not Better Glaucoma Care, 5 Mistakes Patients Make in Glaucoma Care and Do You Really Need Treatment for Glaucoma?

About the Author

This article was written by Dr Shibal Bhartiya, fellowship-trained glaucoma specialist and Mayo Clinic Research Collaborator, Clinical Director at Marengo Asia Hospitals, Gurugram, known for ethical, patient-centred glaucoma care and independent glaucoma second opinions. She is also the Program Director for Community Outreach & Wellness; and for the Marengo Asia International Institute of Neuro and Spine.

She has published peer-reviewed research on glaucoma management, examining how treatment decisions should balance medical evidence, patient preferences, and long-term vision outcomes.

As Editor-in-Chief of Clinical and Experimental Vision and Eye Research and Executive Editor of the Journal of Current Glaucoma Practice (Pubmed Indexed, official journal of the International Society of Glaucoma Surgery), Dr Shibal Bhartiya brings editorial and research depth to every clinical decision. Her 200+ publications, including 90+ PubMed-indexed publications and 28 edited textbooks span glaucoma biology, surgical outcomes, health equity, and emerging diagnostics.

1500+ Five Star Patient Reviews Google Business Profile

If you are unable to come to Dr Bhartiya’s clinic: Read more about teleconsultation

Read her research on PubMed | Google Scholar | ResearchGate | ORCID

Upload your reports for a structured review.| www.drshibalbhartiya.com | +91 88826 38735

Leave a review on Google

Why Glaucoma Gets Worse Faster in Some People Than Others

Posted on by Dr Shibal Bhartiya

Two patients. Same diagnosis. Similar eye pressure. Same drops. One is stable at ten years. The other has lost significant…

Optic Nerve Cupping: What Does It Mean When Your Doctor Says Your Cup Is Large?

Optic nerve cupping refers to the size of the central hollow, the cup, within the optic disc at the back of your eye. A large cup does not automatically mean glaucoma, but it is one of the most important findings an eye doctor can make, and it always warrants a thorough explanation.

If you have been told your cup-to-disc ratio is large, or that your optic nerve looks suspicious, this article explains exactly what that means and what happens next.

Understanding the Optic Disc and the Cup

The optic disc is the point where the optic nerve exits the eye, visible as a small, pale, circular structure at the back of the retina. Within this disc is a central depression called the cup. The rim of neural tissue surrounding the cup, the neuroretinal rim, contains the nerve fibres that carry visual information from the retina to the brain.

The cup-to-disc ratio (CDR) describes the size of the cup relative to the overall disc. A CDR of 0.3 means the cup occupies 30 percent of the disc diameter. A CDR of 0.7 means the cup occupies 70 percent.

Normal CDR values vary widely in the population. Most people have a CDR between 0.1 and 0.5. A CDR above 0.6 is considered large and warrants assessment, though it is not in itself a diagnosis. What matters is not just the size of the cup, but the thickness and health of the rim surrounding it.

Why Cupping Happens

Physiological cupping — large but healthy Many people are simply born with a large optic disc and a correspondingly large cup. In these individuals, the neuroretinal rim is intact, the cup has a regular shape, and there is no evidence of nerve fibre loss on OCT or visual field testing. This is called physiological cupping. It requires monitoring, because a large cup makes subtle glaucomatous changes harder to detect, but it is not a disease.

Glaucomatous cupping — the cup enlarging over time In glaucoma, the elevated intraocular pressure damages and kills the nerve fibres in the neuroretinal rim. As fibres are lost, the rim thins and the cup expands, the process called cupping progression. The cup does not just become larger; it changes shape. The rim becomes notched, particularly at the superior and inferior poles where glaucoma tends to strike earliest. The blood vessels at the disc margin may be pushed to one side, a finding called bayoneting, and small haemorrhages may appear at the disc margin.

Glaucomatous cupping is permanent. The nerve fibres that are lost do not return. This is why early detection and pressure control, before significant cupping occurs, is the entire goal of glaucoma management.

Other causes of cupping Non-glaucomatous optic neuropathies can cause cupping that superficially resembles glaucomatous damage. Anterior ischaemic optic neuropathy, a stroke of the optic nerve, can produce cupping with a characteristic pattern of visual field loss. Compressive lesions behind the eye, tumours pressing on the optic nerve or chiasm, can also cause the cup to appear enlarged as nerve tissue is lost. This is one reason a suspicious optic disc always prompts a full assessment rather than an assumption of glaucoma.

What a Large CDR Means in Practice

Being told you have a large cup-to-disc ratio is the beginning of a clinical question, not the end of one. The question is: is this cup large because you were born that way, or because nerve tissue has been lost?

Answering this question requires:

Intraocular pressure measurement: to assess whether pressure is elevated and contributing to nerve damage.

OCT of the optic nerve and retinal nerve fibre layer (RNFL): to measure the actual thickness of the nerve tissue surrounding the cup. OCT can detect thinning before it is visible clinically or before it affects the visual field. A large cup with normal OCT thickness is reassuring. A large cup with thinned RNFL is a significant finding.

Visual field testing: to determine whether the nerve damage, if any, has translated into measurable loss of peripheral vision.

Gonioscopy: Examination of the drainage angle of the eye to assess the type of glaucoma. And to assess whether the angle is open or narrow.

Disc photography or OCT disc imaging: to document the current appearance and establish a baseline for future comparison. Change over time is often more meaningful than a single measurement.

Central corneal thickness: because a thin cornea gives falsely low pressure readings. A patient with a large cup and a thin cornea has a higher true IOP burden than the measured number suggests.

The Cup-to-Disc Ratio Is Not the Whole Story

Experienced glaucoma specialists look beyond the CDR number at several disc features that carry independent diagnostic weight:

Rim thinning — the neuroretinal rim should be thickest at the inferior and superior poles (following the ISNT rule: Inferior > Superior > Nasal > Temporal). Reversal of this pattern, particularly inferior or superior notching, is a red flag regardless of the overall CDR.

Disc haemorrhages — a small splinter-shaped bleed at the disc margin is one of the strongest single predictors of glaucoma progression. It is easily missed on a quick fundus examination and requires careful, dilated disc inspection to detect.

Peripapillary atrophy (PPA) — a zone of pale, thinned retina around the optic disc. Beta-zone PPA, adjacent to the disc, is associated with glaucoma and with areas of RNFL thinning. Its presence and extent add diagnostic information.

Vessel position and bayoneting — Displacement of vessels to the nasal side of the disc as the cup expands is a clinical sign of significant cupping.

Asymmetry between the two eyes — A CDR difference of 0.2 or more between the two eyes is clinically significant even if both values appear within normal limits individually. The eyes should be symmetric; asymmetry raises suspicion.

What Doctors Often Miss Telling You

  • A large CDR in one examination is a starting point, not a conclusion. The most important question is whether it is the same as last year, or larger. Without a baseline photograph or OCT, it is impossible to know. If you have never had disc imaging, ask for it.
  • Disc haemorrhages are transient and easily missed. They disappear within six to twelve weeks. A patient who has a haemorrhage between appointments may never have it documented unless the timing is right. If you notice a sudden change in your vision between appointments, attend sooner.
  • Physiological large cups run in families. If your parent or sibling has been told they have a large cup and investigated thoroughly, and found to be normal, your large cup is more likely physiological. But it still requires proper documentation.
  • You can have glaucoma with a normal CDR. Normal-tension glaucoma, is a type of glaucoma where pressure is within the statistically normal range. It is defined by optic nerve damage and visual field loss despite a pressure that would not be flagged as elevated. The disc changes are real; the pressure number is misleading. A normal IOP does not rule out glaucoma.
  • Race affects optic disc size. People of African descent tend to have larger optic discs, and therefore larger physiological cups, than people of European or Asian descent. A CDR of 0.7 in a Black patient may be completely physiological. However, the same value in a patient of East Asian descent warrants more careful scrutiny. Normative databases used in OCT analysis are population-specific for this reason.

When to Worry

Seek assessment promptly, ideally within days, not weeks, if you notice:

  • A new area of missing or dim vision in any part of your visual field
  • Blurring that is worse in one eye than the other and was not present before
  • A shadow, curtain, or arc of darkness at the edge of your vision
  • A sudden change in colour perception in one eye
  • You have been told in the past that your optic nerve looks suspicious but have never had a full glaucoma workup including OCT and visual fields

If your large cup has never been formally investigated with IOP, OCT, and visual field testing, that assessment is overdue regardless of how long ago you were told about it.

Frequently Asked Questions

What is a normal cup-to-disc ratio?

Most people have a cup-to-disc ratio between 0.1 and 0.5. A CDR above 0.6 is considered large and warrants assessment, though it is not automatically abnormal. What matters is the health of the surrounding neuroretinal rim, the OCT thickness, and the visual field, not the CDR number alone.

Does a large cup-to-disc ratio mean I have glaucoma?

Not necessarily. A large cup can be physiological, simply part of your normal anatomy, or it can indicate glaucomatous damage. Distinguishing between the two requires a full assessment including IOP, OCT, visual field testing, and disc imaging. A single number does not make a diagnosis.

Can optic nerve cupping be reversed?

Glaucomatous cupping, caused by irreversible nerve fibre loss, cannot be reversed. Lowering intraocular pressure stops further damage but does not restore what has already been lost. Some apparent reversal of cupping has been reported in infants and young children after IOP reduction, but this is not observed reliably in adults.

How is optic nerve cupping monitored?

Serial OCT scans of the optic nerve head and retinal nerve fibre layer, combined with visual field testing, are the standard monitoring tools. Disc photographs provide a qualitative record. The goal is to detect any progressive thinning of the neuroretinal rim or worsening of the visual field before vision loss becomes symptomatic.

Can I have a large cup and never develop glaucoma?

Yes. Many people with large physiological cups live their entire lives without developing glaucoma. The cup requires monitoring, ideally with baseline OCT and periodic review, but large cup size alone does not predict disease. The risk is that subtle early glaucomatous changes are harder to detect against the background of an already-large cup. This is why careful long-term follow-up is important.

What is the difference between a large cup and glaucoma?

Glaucoma is a disease of progressive optic nerve damage, defined by characteristic structural changes (thinning of the neuroretinal rim, RNFL loss) combined with corresponding functional changes (visual field defects). A large cup-to-disc ratio is an anatomical observation. Glaucoma requires evidence of damage and, in most cases, a pressure that is too high for that particular optic nerve. The two frequently overlap, but they are not the same thing.

Speak to a Specialist

If you have been told your cup is large, your optic nerve looks suspicious, or your CDR has changed, and you have not had a complete glaucoma workup, that assessment is the right next step. A large cup investigated thoroughly and found to be healthy is genuinely reassuring. A large cup that turns out to be early glaucoma, caught before the visual field is affected, is a vision-saving finding.

Book a consultation: +91 88826 38735 | www.drshibalbhartiya.com

Upload your OCT reports, disc photographs, and visual field results through the website before your appointment.

About the Author

This article was written by Dr Shibal Bhartiya, fellowship-trained glaucoma specialist and Mayo Clinic Research Collaborator, Clinical Director at Marengo Asia Hospitals, Gurugram, known for ethical, patient-centred glaucoma care and independent glaucoma second opinions. She is also the Program Director for Community Outreach & Wellness; and for the Marengo Asia International Institute of Neuro and Spine.

She has published peer-reviewed research on glaucoma management, examining how treatment decisions should balance medical evidence, patient preferences, and long-term vision outcomes.

As Editor-in-Chief of Clinical and Experimental Vision and Eye Research and Executive Editor of the Journal of Current Glaucoma Practice (Pubmed Indexed, official journal of the International Society of Glaucoma Surgery), Dr Shibal Bhartiya brings editorial and research depth to every clinical decision. Her 200+ publications, including 90+ PubMed-indexed publications and 28 edited textbooks span glaucoma biology, surgical outcomes, health equity, and emerging diagnostics.

Access her work on Pubmed, Google Scholar, ResearchGate and ORCID.

Dr Shibal Bhartiya
Glaucoma • Second Opinion • Advanced Care

www.drshibalbhartiya.com
 +91 88826 38735

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Upload your reports for a structured review.

If you are unable to come to Dr Bhartiya’s clinic: Read more about teleconsultation for glaucoma

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Cricket and Traumatic Glaucoma

A sports injury to the eye can sometimes cause traumatic glaucoma—minutes, hours, weeks, months, or years after the original impact. If vision changes, eye pain, light sensitivity, or pressure problems appear after a ball, racket, elbow, or sports-related eye injury, don’t assume the eye has fully recovered.

Blunt ocular trauma causes severe structural damage to the anterior chamber angle, leading to angle recession and secondary traumatic glaucoma. When intraocular pressure spikes acutely and resists maximum medical therapy, urgent surgical intervention is required. A trabeculectomy or glaucoma drainage device implantation shields the optic nerve from permanent ischaemic injury. Speed and surgical precision are both non-negotiable.

Surgical Interventions in Traumatic Glaucoma

The parents rushed their thirteen-year-old into our emergency clinic in pure panic.

A high-velocity cricket ball had hit him directly during a school match. The blunt impact had caused a severe hyphema, bleeding inside the eye. His intraocular pressure was dangerously high. The lens had shifted out of position, a condition called subluxation. He could barely see.

We operated. The subluxed lens was removed. Prolapsed vitreous gel was carefully cleared. The pressures began to fall.

Then they climbed again.

His intraocular pressure spiked to levels that threatened his optic nerve. He was a steroid responder. The tragedy was that steroids were essential to control his post-operative inflammation. We tried every less potent alternative. We escalated to maximum topical and systemic pressure-lowering medications. Nothing held.

A thirteen-year-old boy. An eye at risk. A mother who cried quietly, twice a day, every day.

I arranged a second opinion at AIIMS. The consultant agreed with our assessment. A glaucoma drainage shunt was the only remaining option. It is major surgery. In a child, the risks are real and the stakes are high.

The parents came back.

The other doctor says he needs a shunt, they told me. But we want you to operate. We believe in you.

That is the weight this work carries.

I asked for two more days. We would monitor his pressures four times daily. If the reading touched 30 mmHg, we would move to the operating room. They agreed.

I still do not fully understand what happened next. Over those two days, his pressures began to normalise. Slowly. Then completely.

We watched. And waited. We did not operate.

Over the weeks that followed, his pressure remained stable without surgery. His corneal clarity returned. The visual fields were normal. His optic nerve was intact. He was on no drops.

On his final follow-up, he sat across from me looking unhappy.

Why, beta? I asked him. Your eyes are fine. The eye pressure is normal. Your nerve is healthy. Why are you still sad?

He looked at me with complete seriousness.

Because mummy still makes me eat khichdi twice a day, he said. And I hate it with all my life.

The entire OPD stopped. His parents. The optometrists. The billing desk. The coordinators. Everyone laughed. I laughed.

We ordered samosas and Maggi and gulab jamuns, right there in the clinic.

Here is a picture of the two of us, happy with junk food.

Behind every pressure chart, there is a real family holding their breath in a corridor. Behind every surgical decision, there is a mother counting the hours. And sometimes, after the crisis has passed and the optic nerve is safe and the vision is restored, what a child needs most is someone to say: the khichdi rule is officially lifted.

This is why this work matters.

FAQs

My child took a cricket ball hit to the eye. When should I go to a hospital immediately?

Go to an emergency eye clinic the same day. Do not wait to see if it improves. A high-velocity cricket ball can cause bleeding inside the eye, a torn or displaced lens, a detached retina, or a sudden spike in eye pressure. None of these are visible from the outside. Time matters. Early examination can prevent permanent vision loss.

What is a hyphema, and is it serious?

A hyphema is bleeding inside the front chamber of the eye, the space between the cornea and the iris. It appears as a red or dark layer inside the eye and is almost always caused by blunt injury. It is serious. Blood in the eye raises intraocular pressure, which can damage the optic nerve. A hyphema must be monitored closely by an eye specialist, often in hospital, until the bleeding clears and pressure stabilises.

The doctor said my child’s eye pressure is very high after the injury. What does that mean?

Intraocular pressure is the fluid pressure inside the eye. After trauma, inflammation and blood in the eye can block the eye’s natural drainage channels, causing pressure to rise. High pressure compresses the optic nerve. If it stays high for too long, it causes permanent vision loss. Your doctor will use pressure-lowering eye drops, oral medications, or surgery to bring it under control. Pressure is monitored very closely, sometimes four times a day, in serious cases.

Why did the doctor say my child needs steroid eye drops, even though steroids raise eye pressure?

After eye surgery or trauma, inflammation is one of the biggest threats to healing. Steroids control that inflammation. Without them, scarring, further damage, and vision loss are real risks. However, some patients, called steroid responders, develop raised eye pressure when given steroids. In those cases, the treating doctor must carefully balance inflammation control against pressure management, using the lowest effective steroid dose, alternative medications, and very frequent monitoring. It is a difficult balance, and it requires specialist experience.

What is a glaucoma drainage shunt, and when is it needed after eye injury?

A drainage shunt is a small device surgically placed inside the eye to create a new channel for fluid to drain out. It is used when eye pressure cannot be controlled with medications alone. After serious eye trauma, especially with a displaced lens or steroid-induced pressure, a shunt may become necessary to protect the optic nerve. It is major surgery, particularly in a child, but in the right situation it is vision-saving. Your surgeon will discuss the risks, the timing, and whether a second opinion is appropriate.

Can full vision be restored after a severe cricket ball eye injury?

Yes, in many cases it can. Recovery depends on the severity of the injury, how quickly treatment began, and how well the eye responds. With early intervention, careful surgical management, and close monitoring of eye pressure and optic nerve health, children can achieve full visual recovery, including normal vision, full visual fields, and no long-term drops. Every case is different. The goal is always to protect the optic nerve before damage becomes irreversible.

How can a blunt sports injury lead to dangerous glaucoma?

A severe blow to the eye can tear the delicate micro-structures inside the drainage angle — a condition called angle recession. This disrupts the eye’s natural fluid outflow pathway. The resulting pressure spike, whether acute or delayed, can permanently damage the optic nerve if a specialist does not intervene quickly.

What does recovery look like after traumatic glaucoma surgery?

Recovery requires strict rest, avoidance of heavy physical activity, and a targeted regimen of anti-inflammatory and antibiotic drops. Close follow-up is essential to ensure the micro-drainage pathway stays clear and free of scar tissue. Most patients with early surgical intervention achieve full visual recovery.

Internal Link This page is part of the Advanced Glaucoma Care hub. Read about the full spectrum of glaucoma diagnosis and treatment.

About the Author

This article was written by Dr Shibal Bhartiya, fellowship-trained glaucoma specialist and Mayo Clinic Research Collaborator, Clinical Director at Marengo Asia Hospitals, Gurugram, known for ethical, patient-centred glaucoma care and independent glaucoma second opinions. She is also the Program Director for Community Outreach & Wellness; and for the Marengo Asia International Institute of Neuro and Spine.

She has published peer-reviewed research on glaucoma management, examining how treatment decisions should balance medical evidence, patient preferences, and long-term vision outcomes.

As Editor-in-Chief of Clinical and Experimental Vision and Eye Research and Executive Editor of the Journal of Current Glaucoma Practice (Pubmed Indexed, official journal of the International Society of Glaucoma Surgery), Dr Shibal Bhartiya brings editorial and research depth to every clinical decision. Her 200+ publications, including 90+ PubMed-indexed publications and 28 edited textbooks span glaucoma biology, surgical outcomes, health equity, and emerging diagnostics.

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