Common Myths About Glaucoma

Most common myth about glaucoma is that it causes pain or obvious vision loss, but early glaucoma is often silent and progresses slowly. Regular eye examinations are important because glaucoma damage can occur long before symptoms become noticeable.
Patients who believe they would notice symptoms, that only older people are affected, or that treatment means surgery are the patients who present late. Here is what is true, explains Dr Shibal Bhartiya.

Glaucoma affects over 12 million people in India. The majority do not know they have it. Part of the reason is the disease itself: silent, slow, and peripheral. But part of the reason is misinformation that creates false reassurance at precisely the moment awareness matters most.

Dr Shibal Bhartiya is a fellowship-trained glaucoma specialist and Mayo Clinic Research Collaborator with over 25 years of experience. Her approach focuses on identifying risk before damage is irreversible, simplifying treatment decisions, and protecting vision long-term. Emphasis on early detection, risk assessment, and continuity of care. She is rated 5 stars across 1,500+ patient reviews on Google.

Eight Glaucoma Myths That Cost People Their Vision

Myth	What the Evidence Shows
Glaucoma only affects the elderly.	While risk rises with age, glaucoma can occur at any age. Juvenile glaucoma affects teenagers. Primary open angle glaucoma is well documented in patients in their 30s and 40s, particularly in South Asian populations with high myopia or family history.
I would know if I had glaucoma — my vision is fine.	Glaucoma destroys peripheral vision first. Central vision — what you use to read and recognise faces — is preserved until very late in the disease. The brain compensates for peripheral loss so effectively that patients can lose 40% of their optic nerve before noticing anything.
Glaucoma always causes high eye pressure.	Normal tension glaucoma — where the optic nerve is damaged despite normal IOP — accounts for 30–40% of glaucoma in India. A normal pressure reading does not mean your optic nerve is safe.
Glaucoma means I will go blind.	Glaucoma diagnosed and treated early is very unlikely to cause blindness. Most patients with well-managed glaucoma retain functional vision for life. The blindness associated with glaucoma is almost always the result of late detection or inadequate treatment.
Glaucoma treatment means surgery.	The majority of glaucoma patients are managed with eye drops alone for many years. Laser procedures (SLT) are used when drops are insufficient or poorly tolerated. Surgery is reserved for cases where other treatments fail or where IOP needs to be lowered substantially.
Once I start glaucoma drops, I am on them forever.	Treatment duration depends on the stage of disease, IOP response, and patient factors. Some patients transition from drops to laser. Some achieve adequate control with laser alone. Surgical treatment can reduce or eliminate drop dependence. Your specialist reviews this regularly.
Glaucoma runs in my family but I feel fine, so I must be fine.	Family history of glaucoma increases your personal risk four to nine times. Feeling fine is expected — glaucoma is asymptomatic. A first-degree relative with glaucoma is the single strongest indication for annual specialist screening, regardless of how well you feel.
Glaucoma eye drops are just for reducing pressure — they have no other effect.	Glaucoma drops significantly affect the eye surface, causing dry eye, redness, and allergic reactions in many patients. Some systemic drops affect heart rate and blood pressure. Your specialist needs to know your full medical history and all medications before prescribing.

Frequently Asked Questions

Is There a Cure for Glaucoma?

There is no cure for glaucoma in the sense of restoring damaged nerve tissue. The optic nerve fibres lost to glaucoma do not regenerate. Treatment halts or slows progression — it does not reverse what has already been lost. This is why early detection is the single most important determinant of outcome.

Can I Check My Own Eye Pressure at Home?

Home tonometers are available and improving, but they are not a substitute for specialist monitoring. IOP is one variable in glaucoma management. Optic nerve appearance, visual field status, and nerve fibre layer thickness are equally or more important — none of which a home device measures. Home monitoring may have a role as a supplement to specialist care, not a replacement for it.

How Often Do I Need to See a Glaucoma Specialist?

This depends on your disease stage and stability. Newly diagnosed or unstable patients are typically reviewed every three to four months. Stable patients with well-controlled IOP and no progression may be reviewed every six to twelve months. Your schedule is set by your specialist and should not be deferred because you feel well.

Does Glaucoma Affect Both Eyes Equally?

Glaucoma is often asymmetric — it begins in one eye before the other and progresses at different rates. This asymmetry is one reason patients do not notice it. The better eye compensates for the worse eye. By the time both eyes are significantly affected, the window for prevention has often closed in the first eye.

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 for glaucoma

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

Can Stress Affect Eyesight?

Stress can affect your eyesight, and contribute to symptoms such as eye strain, headaches, dry eyes, blurred vision, and difficulty focusing, even when the eyes themselves are healthy. A comprehensive eye examination can help determine whether visual symptoms are related to stress, screen use, dry eyes, or an underlying eye condition requiring treatment.

Can Stress Affect Eyesight? What Happens to Your Eyes Under Pressure

The short answer: Yes — stress affects eyesight in real, measurable ways. It is not imagined and it is not trivial. Acute stress dilates the pupil, blurs near focus, and may spike eye pressure. Chronic stress drives cortisol elevation, disrupts sleep, worsens dry eye, and is directly linked to central serous retinopathy, a condition that puts fluid under the retina and blurs central vision.

How does stress affect the eye physiologically?

The stress response activates the sympathetic nervous system — the “fight or flight” system. This produces rapid, measurable changes in the eye:

Pupil dilation (mydriasis) — the pupil enlarges to take in more visual information. This increases depth of field but reduces near focus clarity and increases glare sensitivity.

Reduced blink rate — stress and cognitive load dramatically reduce blinking, worsening tear film stability and dry eye symptoms.

Elevated cortisol — the primary stress hormone. Chronically elevated cortisol affects aqueous humour dynamics, disrupts the blood-retinal barrier, and is directly implicated in central serous retinopathy.

Intraocular pressure fluctuations — acute psychological stress may raise IOP transiently. In glaucoma patients with borderline pressure control, stress-related IOP spikes may accelerate optic nerve damage.

Vascular changes — stress-driven blood pressure elevation affects retinal and optic nerve blood flow. Chronic vascular stress is associated with retinal vein occlusion and non-arteritic anterior ischaemic optic neuropathy (NAION). Hypertension, diabetes, and atherosclerosis compromise blood flow to the eye and damage blood vessels, increasing the risk of sudden, permanent vision loss

Conditions directly linked to stress that affect eyesight

Central serous retinopathy (CSR)

The strongest stress-eye link in clinical practice. CSR occurs when the blood-retinal barrier breaks down under cortisol load, allowing fluid to accumulate under the central retina. Vision becomes blurry, objects appear smaller (micropsia), colours are less saturated, and a grey or dark spot appears in central vision. Classically affects driven, high-achieving men aged 25–55 — often during periods of intense work pressure or personal crisis. The association is well established in literature. Acute CSR usually resolves within 3 months of stress reduction. Chronic CSR (lasting over 4 months) requires laser or photodynamic therapy.

Glaucoma progression

Stress does not cause glaucoma — but it may worsen it. Elevated cortisol increases aqueous production and IOP. Sympathetic activation reduces ocular perfusion pressure. Sleep disruption from stress is independently associated with glaucoma progression. For patients already diagnosed, stress management is a legitimate component of glaucoma care — not an alternative to drops, but an adjunct.

Dry eye exacerbation

Stress reduces blink rate, elevates inflammatory cytokines on the ocular surface, and disrupts sleep (which is when the ocular surface recovers). All three mechanisms worsen dry eye. This is why dry eye symptoms consistently spike during exams, deadlines, and personal crises.

Migraine and visual aura

Stress is the most commonly reported migraine trigger. Stress-induced migraine produces visual aura — zigzag lines, blind spots, shimmering arcs — that can be alarming, especially on first presentation.

Functional visual disturbance

Anxiety and acute stress can produce genuine visual symptoms with no structural cause: tunnel vision, visual snow overlay, difficulty focusing, or a dreamlike quality to vision. These are neurological — not psychiatric — phenomena and are real, not imagined.

Convergence insufficiency

Under stress and fatigue, the eyes’ ability to work together for near focus degrades. Reading becomes difficult, words appear to move, and there is a vague headache behind the eyes. Common in students during exam periods and in adults during high-pressure work phases.

Problems, Reasons, and Solutions

Stress-Related Symptom	Likely Mechanism	What Helps
Blurry near vision, worse under pressure	Pupil dilation + convergence fatigue	Rest, stress reduction, screen breaks
Dry, burning eyes during deadlines	Reduced blink rate + inflammation	Preservative-free drops + conscious blinking
Central blur + grey spot + objects smaller	Central serous retinopathy (CSR)	Urgent OCT + stress reduction
Headache + visual aura	Stress-triggered migraine	Neurology + migraine management
Fluctuating IOP in glaucoma patients	Cortisol + sympathetic activation	Sleep hygiene + stress management as adjunct
Dreamlike or unreal vision	Functional / anxiety-driven	Reassurance + neurological assessment
Eye strain + reading difficulty, exam periods	Convergence insufficiency	Orthoptic exercises + rest

What doctors often miss

Central serous retinopathy is sometimes misdiagnosed as dry eye or migraine in its early stages. The characteristic symptom, a central grey spot with objects appearing slightly smaller, combined with a history of high stress in a young to middle-aged man should prompt immediate OCT. Delay converts acute, reversible CSR into chronic CSR with permanent retinal damage.

Stress-related IOP elevation in glaucoma is not routinely discussed at clinic visits. Asking patients about sleep quality, work stress, and cortisol-elevating habits (high caffeine, irregular sleep) is a legitimate part of glaucoma management. It is not polite conversation, it is physiology.

If stress is affecting your vision — whether blurry, dry, or producing a central grey spot — Dr Shibal Bhartiya offers a complete assessment including OCT, tear film evaluation, and IOP monitoring in Gurgaon.

📞 +91 88826 38735 | www.drshibalbhartiya.com Upload previous eye test results for a pre-consultation review.

Frequently asked questions

Can stress cause permanent eye damage?

Chronic CSR can cause permanent central vision loss if left untreated. Stress-related IOP spikes can accelerate glaucoma progression in susceptible patients. In most people, stress-related visual symptoms are reversible. The key is not to dismiss them.

Can anxiety cause vision problems?

Yes. Anxiety produces pupil dilation, reduces blink rate, causes convergence insufficiency, and can produce functional visual disturbances including tunnel vision and visual snow. These are real — and they resolve with anxiety management.

Does stress raise eye pressure?

Yes — acutely. Psychological stress activates the sympathetic nervous system and transiently raises IOP. In people with borderline glaucoma control, this is clinically relevant.

Can meditation or yoga help eye problems?

There is evidence that stress reduction — through any reliable method — reduces cortisol, stabilises IOP, improves sleep, and reduces CSR recurrence. This is not alternative medicine; it is physiology. It does not replace treatment but meaningfully supports it.

What is central serous retinopathy and is it serious?

CSR is fluid accumulation under the central retina, driven by cortisol and stress. It is serious if untreated — chronic CSR causes irreversible macular damage. Acute CSR usually resolves within 3 months. If you notice a central grey spot or objects looking smaller in one eye, seek assessment within days.

Can work stress cause blurry vision? Can stress affect eyesight?

Yes — through multiple mechanisms: dry eye from reduced blinking, convergence fatigue, CSR in susceptible individuals, and migraine. If blurry vision is consistently worse during high-stress periods and better on rest, the link is worth investigating.

This page is part of the Neuro-Ophthalmology hub. Read about our full approach to neurological vision conditions. you may also want to read more about 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 eye care and independent neuro-ophthalmology and 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.

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

Glaucoma and Headaches

Acute and intermittent angle closure glaucoma can present with severe headache, nausea, vomiting, and coloured haloes around lights — symptoms so closely overlapping with migraine that patients spend years in neurology before anyone examines their drainage angles. A gonioscope placed at a routine eye examination can reveal in minutes what years of migraine treatment cannot resolve.

For patients with narrow angles, a laser peripheral iridotomy, a five-minute outpatient procedure — may eliminate the trigger entirely. The eye and the head are not separate systems.

Dr Shibal Bhartiya is a fellowship-trained glaucoma specialist and Mayo Clinic Research Collaborator with over 25 years of experience. Her approach focuses on identifying risk before damage is irreversible, simplifying treatment decisions, and protecting vision long-term. Emphasis on early detection, risk assessment, and continuity of care. She is rated 5 stars across 1,500+ patient reviews on Google.

Seven Years of Migraines That Disappeared After a Routine Eye Examination

She was in her late forties or early fifties. She had no eye complaints.

It was a routine check — glasses, perhaps a small change in power. I noticed a shallow anterior chamber, explained she needed a gonioscopy. Asked her if she had experienced any headaches, or coloured haloes around lightbulbs.

She talked. She had been living with migraines for seven to eight years. Treatment after treatment. Specialist after specialist. The headaches kept coming.

If you are reading this after years of treatment that has not worked, I want you to know: that exhaustion is real, and it is not in your head. But the answer sometimes is — in your eyes.

I looked at her angles. They were narrow. Both eyes.

What a gonioscope found that years of migraine treatment missed

I placed a gonioscope, a contact lens with a mirror that allows direct visualisation of the eye’s drainage angle, and examined both eyes carefully. She had primary angle closure. Peripheral anterior synechiae were present in roughly a quadrant of each eye — meaning parts of the drainage angle had already begun to stick shut. Her IOP was in the range of 22 to 24 mmHg.

A standard migraine workup does not include a gonioscope. A glaucoma specialist examination does.

Why angle closure symptoms feel exactly like a migraine

In intermittent angle closure, the drainage angle narrows and blocks without fully closing. Pressure builds, then releases. The episode passes. No one connects it to the eye.

During these episodes, the symptoms are: severe throbbing headache, nausea, vomiting, coloured haloes around lights and streetlamps, eye redness, and a deep ache around the orbit. These are textbook migraine symptoms. They are also textbook intermittent angle closure symptoms. Without a gonioscope, there is no way to tell them apart from a history alone.

If your migraines have not responded to treatment, or if your headaches come with coloured halos or eye pain, a glaucoma specialist examination may give you answers years of headache treatment have not.

Book a consultation with Dr Shibal Bhartiya in Gurgaon. Second opinions welcome.
+91 88826 38735 | www.drshibalbhartiya.com

Symptoms, Causes, and When to Worry

Symptom	Likely Cause	When to Worry
Severe throbbing headache	Intermittent IOP spike from narrow angles	Attacks are recurring, not relieved by migraine medication
Nausea and vomiting with headache	Acute pressure rise, vagal response	Accompanying eye redness or blurred vision
Coloured halos around lights	Corneal oedema from raised IOP	Any episode with halos warrants urgent eye evaluation
Eye ache or pain around orbit	Elevated intraocular pressure	Persists beyond the headache episode
Blurred vision during headache	Raised IOP affecting corneal clarity	Vision does not fully recover after episode
Headache worse in dim light or evening	Pupil dilation narrows angles further	Consistent pattern linked to lighting conditions

What Doctors Often Miss

Neurologists and general physicians are not trained to examine drainage angles. That is not a criticism — it is a structural gap. A gonioscope is a specialist instrument used by ophthalmologists and glaucoma specialists. It is not part of a standard headache workup, and it is not part of most routine optometry checks either.

The result is that intermittent angle closure goes undiagnosed for years in patients who are otherwise receiving excellent neurological care. The migraine label is applied because the symptoms fit. The eye is never examined. The pressure spikes continue.

If you have been diagnosed with migraines and you have never had your angles examined, that is worth a second opinion from a glaucoma specialist.

The other missed signal is coloured halos. Many patients mention them. Fewer doctors follow up specifically on the eye examination that halos warrant.

A five-minute laser. Ten migraine-free years.

We performed a laser peripheral iridotomy — a small opening in the iris, made with a laser, in the clinic, in under ten minutes. It allows aqueous fluid to flow freely, relieves intermittent pressure build-up, and eliminates the trigger that narrow angles create.

That was ten years ago.

She has not had a single migraine attack since.

An occasional headache, she tells me — but she has her own explanation for those. “Those are because of who I am married to,” she said.

Whether the angle closure was the direct cause of her migraines or a powerful intermittent trigger, the outcome speaks for itself. A gonioscope at a routine eye check gave her back ten years of her life.

What This Means for You

Narrow angles produce no symptoms between episodes. An eye that looks entirely normal — good vision, no redness, no pain — can have drainage angles that are quietly narrowing with every passing year.

The only way to know is an examination that includes gonioscopy. If you have recurring headaches that have not responded to treatment, if your headaches come with coloured halos or eye pain, or if you have a family history of glaucoma, angle closure, or are significantly long-sighted — ask your eye doctor specifically whether your angles have been examined.

A laser peripheral iridotomy takes ten minutes. The benefit, as one patient told me a decade later, can last a lifetime.

FAQs

Can narrow angles or angle closure actually cause migraines?

Narrow angles cause intermittent spikes in eye pressure. These spikes produce headache, nausea, vomiting, eye pain, and coloured haloes — symptoms that overlap significantly with migraine. Whether angle closure directly causes migraines or acts as a powerful intermittent trigger remains an open clinical question. What is well-documented is that some patients with long-standing treatment-resistant headaches find complete or substantial relief after laser iridotomy.

How do angle closure symptoms mimic a migraine attack?

The overlap is striking and clinically important. Acute or intermittent angle closure can cause severe throbbing headache, nausea and vomiting, coloured haloes around lights and streetlamps, eye redness, blurred vision, and a dull ache around the eye socket. Many patients — and sometimes their doctors — attribute these episodes to migraine, tension headache, or stress for years. The eye is rarely examined. A gonioscope at one routine visit can change everything.

What are coloured haloes and why do they appear in angle closure?

When eye pressure rises suddenly, fluid accumulates in the cornea. This causes light to scatter as it enters the eye, producing rainbow-coloured rings around light sources — bulbs, headlights, streetlamps. Coloured haloes are a warning sign. They warrant an urgent eye evaluation, not just a change in glasses. If your headaches come with haloes around lights, tell your eye doctor specifically.

What is a laser peripheral iridotomy and is it a major procedure?

It is a minor outpatient laser procedure done in the clinic, usually in under ten minutes. A small opening is created in the iris to allow fluid to drain freely and relieve the pressure build-up caused by narrow angles. There is no incision, no hospitalisation, and no general anaesthesia. Most patients resume normal activity the same day.

Who should be screened for narrow angles?

Anyone with a family history of angle closure glaucoma, anyone of East or South Asian descent, anyone who is significantly long-sighted (hypermetropic), and anyone over 40 with unexplained recurrent headaches, eye ache, or coloured haloes around lights. Narrow angles cause no symptoms until a pressure spike begins — and by then, some damage may already have occurred.

Can treating narrow angles prevent glaucoma entirely?

In many cases, yes. A timely laser iridotomy in a patient with primary angle closure — before significant optic nerve or drainage angle damage — can halt the glaucoma disease process entirely. This is why early detection matters. The laser takes minutes. The benefit can last a lifetime.

This page is part of the Advanced Glaucoma Care hub. Read about the full spectrum of glaucoma diagnosis and treatment. Please also read about Laser Treatments for Glaucoma, Narrow Angles and Gonioscopy.

You may want to watch this podcast I did several years ago, for Health Talks.

About the Author

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.

1,500+ Five Star Patient Reviews — Google Business Profile

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

Eyes Hurt After Screen Use

Eye discomfort after screen use is often caused by digital eye strain, dry eyes, reduced blinking, uncorrected vision problems, or prolonged focusing at close distances. If eye pain is severe, persistent, associated with blurred vision, headaches, redness, or does not improve with rest, a comprehensive eye examination can help identify underlying causes and rule out more serious eye conditions.

Eyes Hurt After Screen Use: Why It Happens and How to Stop It

Eye pain after screen use is digital eye strain — one of the fastest-growing eye complaints in India, and especially high tech cities like Gurgaon. It is caused by reduced blinking, sustained near focus, screen glare, and poor posture. It will not damage your eyes permanently in most cases. But it will get worse if ignored, and in some people it signals an underlying problem that deserves attention, explains Dr Shibal Bhartiya.

Dr Shibal Bhartiya is a fellowship-trained eye specialist and Mayo Clinic Research Collaborator with over 25 years of experience. Her approach focuses on identifying risk before damage is irreversible, simplifying treatment decisions, and protecting vision long-term. Emphasis on early detection, risk assessment, and continuity of care. She is rated 5 stars across 1,500+ patient reviews on Google.

Why screens hurt your eyes

When you look at a screen, blink rate drops by 60–70% — from a normal 15–20 blinks per minute to as few as 5. Each blink renews the tear film. When blinking stops, the tear film breaks up, the corneal surface dries, and pain receptors fire. Simultaneously, the ciliary muscle — which controls near focus — contracts continuously for hours. Sustained ciliary spasm produces a deep aching pain behind the eyes that worsens through the day.

Add screen glare, blue-wavelength light, and forward head posture compressing the cervical spine — and you have the full picture of why screens hurt.

Symptoms of digital eye strain

Burning or aching in or around the eyes. Blurry vision that fluctuates. Headache — typically frontal, worse in the afternoon. Difficulty shifting focus between near and far. Sensitivity to light. Dry, gritty, or watery eyes. Neck and shoulder pain accompanying eye discomfort.

Dry Eyes and Digital Eye Strain in Gurgaon

Many people in Gurgaon spend long hours on computers, phones, and other digital devices. Reduced blinking during screen use can contribute to dry eyes, eye strain, headaches, blurred vision, burning, watering, and difficulty focusing.

These symptoms may be further aggravated by factors common in Gurgaon, including air-conditioned office environments, long working hours, dry weather, air pollution, dust, and ongoing construction activity. Together, these factors can affect the stability of the tear film and make the eyes feel tired, irritated, or uncomfortable throughout the day.

A comprehensive eye examination can help determine whether symptoms are related to dry eye disease, digital eye strain, an uncorrected vision problem, or a combination of factors. Early assessment can often improve comfort, productivity, and visual quality.

Dr Shibal Bhartiya works with corporates, professionals, and frequent screen users in Gurgaon on the diagnosis and management of dry eye disease, digital eye strain, and healthy screen-use habits. To book an eye examination or arrange an eye health awareness session for your organisation, call +91 88826 38735 or visit drshibalbhartiya.com.

What actually helps

The 20-20-20 rule: Every 20 minutes, look at something 20 feet away for 20 seconds. This relaxes the ciliary muscle and allows the tear film to renew. Simple, evidence-based, consistently underused.

Conscious blinking: During screen use, blink deliberately and fully every few minutes. This is not automatic — you have to practise it. A complete blink fully renews the tear film; an incomplete blink (the “squint-blink” most people do on screens) does not.

Screen position: The top of the screen should be at or just below eye level. Looking slightly downward reduces the exposed ocular surface and slows tear evaporation.

Screen distance: 50–70 cm from the face. Closer than this increases the accommodative demand on the ciliary muscle.

Preservative-free lubricant drops: Used before screen sessions and during breaks — not after symptoms develop. Prevents rather than chases the problem.

Ambient lighting: The room should be as bright as the screen. Contrast between a bright screen and a dark room forces the pupil to work harder and accelerates fatigue.

Blue light glasses: Evidence for blue light as the primary cause of digital eye strain is weak. Glare reduction and proper screen positioning matter more. They do no harm — but do not substitute for the above.

When it is more than screen strain

See an eye specialist if: symptoms persist on rest days away from screens, if one eye hurts more than the other, if vision is blurry even after stopping screen use, or if you have headaches every morning before screens begin. These patterns suggest dry eye disease, refractive error, binocular vision dysfunction, or early glaucoma — none of which resolve with screen hygiene alone.

If screen-related eye pain is affecting your work or daily life, a full assessment takes under an hour. Dr Shibal Bhartiya — dry eye specialist and glaucoma specialist in Gurgaon — will identify whether this is screen strain or something that needs treatment. 📞 +91 88826 38735 | www.drshibalbhartiya.com

This article is part of the Dry Eye Hub. Please also read Basics of Dry Eye, Dry Eye Second Opinion and Dry Eye: A Chronic Disease. Why Vision Becomes Blurred After Reading or Screen Use, and Why Are Your Dry Eye Drops Not Working may also help you understand your problem better.

You may also want to read this article written by Dr Bhartiya for NDTV online. And listen to her talk about dry eyes here.

Frequently Asked Questions

Why do my eyes hurt after using a screen?

Eye discomfort after screen use is commonly caused by digital eye strain, dry eyes, reduced blinking, prolonged near work, or an uncorrected vision problem.

Can screen time cause dry eyes?

Yes. People blink less frequently while using computers, phones, and tablets. Reduced blinking can increase tear evaporation and contribute to dry eye symptoms.

What are the symptoms of digital eye strain?

Digital eye strain may cause eye pain, eye fatigue, headaches, burning, watering, blurred vision, dryness, difficulty focusing, and discomfort after prolonged screen use.

Why are dry eyes and digital eye strain common in Gurgaon?

Long screen hours, air-conditioned offices, dry weather, pollution, dust, and construction activity can contribute to dry eyes and digital eye strain among professionals in Gurgaon.

When should I see an eye specialist for eye pain after screen use?

You should seek an eye examination if symptoms are severe, persistent, associated with blurred vision, redness, headaches, light sensitivity, or do not improve with rest and screen breaks.

Can digital eye strain be treated?

Treatment depends on the cause and may include managing dry eyes, improving screen ergonomics, taking regular breaks, updating glasses prescriptions, and addressing underlying eye conditions.

About the Author

This article was written by Dr Shibal Bhartiya, fellowship-trained eye 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.

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

Cataract Myths and Facts

Cataracts do not need to be ripe, eye drops cannot reverse them, and they do not grow back after surgery, explains Dr Shibal Bhartiya. Modern cataract surgery is usually safe, precise, and planned based on how vision problems affect daily life rather than age alone.

Cataracts are the leading cause of reversible blindness in India, yet most patients arrive in clinic carrying misinformation that has delayed their treatment by months or years. Here is what the evidence actually shows about when surgery is needed, whether cataracts grow back, and who is at risk.

Cataracts are one of the most treatable conditions in ophthalmology. The surgery is safe, effective, and takes under 30 minutes. And yet patients delay, avoid, and misunderstand this condition more than almost any other. These are the myths that cause real harm.

The Most Harmful Cataract Myths

Myth	What Is Actually True
Cataracts only affect old people.	Age is the most common risk factor, but cataracts can develop at any age. Congenital cataracts are present at birth. Trauma, steroid use, diabetes, and radiation can cause cataracts in patients in their 30s and 40s.
You must wait until the cataract is ripe before surgery.	This advice is decades out of date. Modern phacoemulsification surgery works best on softer, earlier cataracts. Waiting until a cataract is dense makes surgery harder, recovery longer, and outcomes less predictable.
Cataract surgery uses a laser that burns the cataract away.	Standard cataract surgery uses ultrasound energy (phacoemulsification) to break up and remove the cloudy lens. Laser-assisted options exist but are not required for excellent results.
Cataracts grow back after surgery.	The natural lens is permanently removed and replaced with an artificial intraocular lens (IOL). It cannot reform. Some patients develop posterior capsule opacification months or years later — this is not a new cataract. It is treated with a brief, painless laser procedure.
Eye drops can dissolve or reverse a cataract.	No eye drop, supplement, or medication has been proven to reverse cataract formation. Surgery is the only effective treatment.
Reading in dim light causes cataracts.	Poor lighting strains the eyes but does not cause cataracts. Cataracts result from protein changes within the lens, not from how the eyes are used.
After surgery I will never need glasses again.	Most patients need reading glasses after standard cataract surgery. Premium multifocal or extended depth-of-focus IOLs can reduce spectacle dependence significantly, but this depends on your individual eye and expectations.

When Is the Right Time for Cataract Surgery?

The right time is when your cataract is affecting your daily life. This includes difficulty driving, reading, recognising faces, or managing glare. There is no universal density threshold. The decision is made jointly by you and your surgeon based on your visual needs, your other eye, and your overall health.

Does Diabetes Make Cataract Surgery Riskier?

Diabetes accelerates cataract formation and increases the risk of complications during and after surgery. This does not mean surgery should be avoided — it means blood sugar control before surgery is essential, and your surgeon should be aware of any diabetic retinal disease. With proper preparation, outcomes in diabetic patients are excellent.

Can I Have Cataract Surgery If I Have Glaucoma?

Yes. In fact, cataract surgery often lowers intraocular pressure modestly in patients with glaucoma, which can be an additional benefit. In some cases, combined cataract and glaucoma procedures are performed in a single sitting. Your glaucoma specialist and cataract surgeon need to coordinate your care.

Is Cataract Surgery Covered Under Health Insurance in India?

Most health insurance policies in India cover cataract surgery, but the extent of coverage varies. Standard monofocal IOLs are typically covered. Premium lenses — toric, multifocal, or extended depth-of-focus — are usually not. Confirm with your insurer before surgery.

This article is part of the Cataract Hub. Read more Cause of cataract, Cataract Surgery, Cataract Surgery Does Not Protect You From Glaucoma, Femtosecond Laser Cataract Surgery: Contraindications, Femtosecond Laser-Assisted Cataract Surgery, Is Cataract Surgery Painful?, Cataract in Glaucoma Patients and Vision Not Clear After Cataract Surgery? What It Really Means

You can also watch these videos to understand more, here and here

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