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.

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

Words Swim Together When Reading?

Words swim, double, or blur on the page when your two eyes fail to aim at the same point simultaneously. This is called convergence insufficiency — a problem with how the eyes work as a team during near tasks. It is not a refractive error. Glasses alone do not fix it.

Words that blur, move, overlap, or appear difficult to focus on may be caused by dry eyes, uncorrected glasses power, eye alignment problems, or other vision conditions. A comprehensive eye examination can help identify the cause and improve reading comfort and visual clarity. This article focuses on convergence insufficiency.

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.

You Are Not Imagining It

You sit down to read. The words are clear for a moment — then they seem to drift, overlap, or swim into each other. You look up. You look back. It takes a beat too long for the text to sharpen again. By the time it does, you’ve lost your place.

You may have been told your eyesight is fine. Your glasses prescription hasn’t changed. Yet reading is exhausting. Screens are worse. This experience has a name.

What Is Convergence Insufficiency?

When you shift your gaze from a distance to something close — a page, a phone, a book — your eyes must rotate inward together and focus simultaneously. This inward movement is called convergence.

In convergence insufficiency (CI), this inward movement is effortful, unstable, or delayed. The eyes do not hold their aim at the near point long enough or accurately enough. The brain receives two slightly different images and struggles to merge them. The result: words appear to move, swim, or double. The eyes may feel pulled apart.

CI is not a vision disease. It is a binocular vision dysfunction — a problem with coordination, not clarity.

The Specific Symptoms

Symptom	What It Feels Like	When to Worry
Words swim or move on the page	Text appears unstable, especially after a few lines	Persistent, affects every reading session
Slow distance-to-near refocusing	Eyes take a moment to settle after looking up	Longer than 2-3 seconds consistently
Double vision when reading	One line appears as two, or words overlap	Any doubling lasting more than a few seconds
Headache above or behind the eyes	Pressure builds during or after near work	Headaches appearing within 30 minutes of reading
Losing your place while reading	Eyes skip lines or re-read the same line	With no attention or comprehension difficulty
Eye fatigue or heaviness	Eyes feel tired before the task seems demanding	When rest does not help
Closing or covering one eye	Instinctive urge to block one eye for comfort	Any habitual one-eye reading or squinting

Why It Happens

The near-point of convergence moves outward. Normally, your eyes can converge and hold steady at a point 5-8 cm from your nose. In CI, that comfortable near-point drifts further out. The effort to compensate fatigues the eye muscles quickly.

The brain is constantly fighting. With CI, fusion — the brain’s ability to blend two images into one — is fragile. The brain works harder than it should. This is why CI causes mental fatigue and headaches even during brief reading sessions.

It is often missed. A standard refraction test measures focus, not teamwork. CI does not show up in a routine glasses prescription check. It requires specific tests — cover tests, prism measurements, near-point of convergence testing — that happen only in a full binocular vision evaluation.

What We Often Miss

CI is most often identified in children with reading or learning difficulties. Adults with CI are frequently told to take reading breaks or change their glasses. When those steps do not help, the diagnosis is revisited — sometimes much later.

In adults, CI can develop or worsen after a head injury, concussion, or prolonged near work without correction. Stress and sleep deprivation make symptoms noticeably worse.

CI is also commonly missed when it coexists with dry eye disease. Dry eye blurs near vision. CI makes it unstable. Together, they are very difficult to separate without targeted testing for both.

When to Worry

Seek a full binocular vision evaluation if:

Words swim or double during every reading session
You close one eye habitually while reading or using a phone
Headaches begin within 30 minutes of near work and stop when you rest your eyes
A child avoids reading, complains of tiredness, or performs below expectation despite adequate intelligence
Symptoms began or worsened after a head injury or concussion
Glasses or contact lenses do not resolve the blur during reading

What This Means for You

Convergence insufficiency responds well to treatment. The options depend on how significant your near-point displacement is and what your daily demands require.

Prism glasses reduce the effort of convergence by optically shifting the image. They provide immediate symptomatic relief for many patients.

Vision therapy — a structured programme of convergence exercises — trains the eyes to sustain accurate aiming at the near point. It is the most evidence-based treatment for CI, particularly in children and young adults.

Near-task modifications — adjusted screen distance, font size, contrast — reduce the demand during recovery or mild cases.

A proper evaluation will tell you which approach, or which combination, is right for you.

Convergence Exercises: What You Can Do at Home

Some patients with mild to moderate CI benefit from regular home exercises. The most widely studied is the pencil push-up — simple, free, and effective when done consistently.

These exercises do not replace a formal vision therapy programme. They work best as a supplement to clinical treatment, or as a starting point while awaiting full evaluation.

Pencil Push-Ups: Step by Step

What you need: A pencil, pen, or any small object with a clear tip or letter.

How to do it:

Hold the pencil at arm’s length, at eye level. Focus on the tip or on a single letter near the point.
Slowly bring the pencil toward the bridge of your nose. Keep both eyes fixed on the tip.
Stop the moment the tip doubles — when you see two pencils instead of one.
Note where doubling began. This is your current near-point of convergence.
Push through gently. Try to fuse the image back into one before pulling the pencil back.
Return to arm’s length. Rest for two seconds. Repeat.

Duration: 15 repetitions per session. Two to three sessions per day. Daily practice for at least 6 to 8 weeks shows measurable improvement in most patients.

What good progress looks like: The point at which doubling begins moves closer to your nose over weeks. The image recovers faster. Headaches during reading reduce.

Why Pencil Push-Ups Work

The exercise trains positive fusional vergence — the ability of the eyes to converge inward and hold that position. Each repetition is a resistance workout for the medial rectus muscles and the neural pathways controlling binocular coordination.

The CITT trial (Convergence Insufficiency Treatment Trial), a large multi-centre study, confirmed that supervised office-based vision therapy produced significantly better outcomes than home-based pencil push-ups alone. However, push-ups still produced meaningful improvement over no treatment.

The honest answer: pencil push-ups help. Office-based therapy helps more.

A Few Important Cautions

Do not continue push-ups if they cause significant eye pain, worsening headache, or nausea. This suggests the demand exceeds your current fusion capacity and the exercise needs to be graded more slowly.

Push-ups are not appropriate as the only treatment if your CI is secondary to a concussion or neurological event. In those cases, a supervised programme with a specialist is essential from the start.

Track your near-point weekly. If there is no change after three to four weeks of consistent practice, that is a signal to seek a formal binocular vision evaluation rather than continue exercising.

Frequently Asked Questions

Can convergence insufficiency cause permanent vision damage?

CI does not damage the eyes or cause any structural change to vision. However, if left unmanaged, it can significantly impact quality of life, reading ability, academic performance in children, and work productivity in adults. Early identification and treatment prevent years of unnecessary difficulty.

Is convergence insufficiency the same as a lazy eye?

No. A lazy eye (amblyopia) involves reduced vision in one eye, often from a childhood alignment problem. CI is a coordination problem between both eyes during near work. Vision in each eye individually is typically normal in CI. The two conditions can sometimes coexist but are distinct diagnoses requiring different treatment.

Will my glasses fix convergence insufficiency?

Standard glasses correct refractive errors such as short-sightedness, long-sightedness, and astigmatism. They do not correct binocular coordination. Special prism lenses can reduce the symptoms of CI, but they are prescribed specifically for this purpose and are different from a standard glasses prescription.

Can adults get convergence insufficiency, or is it only a childhood condition?

CI occurs in both adults and children. In adults, it may be triggered by concussion, head injury, prolonged near work, or may have been present undetected since childhood. Adults frequently go longer without diagnosis because their reading difficulties are attributed to age-related vision changes.

How is convergence insufficiency diagnosed?

Diagnosis requires a full binocular vision assessment — not a routine eye test. The key tests are the near-point of convergence measurement (how close you can bring a target before it doubles), the positive fusional vergence test, and cover testing. These are done specifically in a neuro-ophthalmology or binocular vision evaluation.

How long does treatment take?

Vision therapy programmes for CI typically run 12 to 24 weeks with weekly in-office sessions and daily home exercises. Prism glasses can reduce symptoms within days. The speed of recovery depends on severity and consistency of the therapy programme.

Can I treat convergence insufficiency with home exercises alone?

Pencil push-ups and other convergence exercises improve symptoms in many patients, particularly in mild cases. The CITT trial showed that supervised office-based vision therapy produces stronger and more lasting results. Home exercises are a useful starting point or supplement, but they are not a substitute for a full evaluation — especially if symptoms are affecting work, school, or daily life significantly.

What to Do Next

If words swim when you read, or your eyes take time to refocus when you shift your gaze, this experience deserves a proper evaluation — not reassurance and a new glasses prescription.

A full binocular vision assessment will determine your near-point of convergence and your fusional reserves. From there, a clear treatment plan follows.

Book an assessment with Dr Shibal Bhartiya in Gurgaon. Call or WhatsApp: +91 88826 38735 Request an Appointment View Google Reviews

This page is part of the Neuro-Ophthalmology and Vision Symptoms hub. Read about our full approach to complex visual symptoms and binocular vision. Please also read our Children’s Eye Care Hub.

About Dr Shibal Bhartiya

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

Sun can Damage Eyes

Posted on January 30, 2024April 19, 2026 by Shibal Bhartiya

The sun, while essential for life, can pose risks to your eyes. Understanding these risks and adopting protective measures can prevent various sun-related eye conditions. Let’s explore the impact of the sun on your eyes and practical steps to shield them. Here is how the sun can damage your eyes, and all you need to know about how to protect your eyes and vision.

Cataract: Causes, Symptoms, and Surgery Options

A cataract is a clouding of the eye’s natural lens that can cause blurred vision, glare, and difficulty with daily activities. Modern cataract surgery safely removes the cloudy lens and replaces it with a clear artificial lens to restore vision.

Cataract is the most common cause of reversible blindness in the world. In India, it accounts for roughly half of all blindness. The good news: it is entirely treatable. A straightforward surgical procedure, done as a day case under local anaesthesia, can restore vision that has been diminishing for years.

Cataract develops when the natural lens of the eye, which sits behind the iris and is normally transparent, becomes cloudy. Light can no longer pass through cleanly. The result is a progressive blurring and dimming of vision that no glasses can fully correct.

Most cataracts are age-related. But cataract is not exclusively a disease of old age.

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.

What Causes Cataract?

Age is the commonest cause. The lens proteins break down gradually over decades, clumping together and losing their transparency. Almost everyone will develop some degree of lens clouding by their seventies.

Diabetes accelerates cataract formation significantly. Patients with poorly controlled blood sugar develop cataracts earlier and faster than the general population. If you have diabetes and notice a rapid change in your glasses prescription, get your eyes examined promptly, this can be an early sign of diabetic lens changes. You can read more about diabetes and the eye here.

Steroids: both oral and topical (including steroid eye drops used long-term) are a well-recognised cause of posterior subcapsular cataract. This type of cataract affects near vision and causes significant glare. If you are on long-term steroid treatment for any reason, annual eye examinations are important.

Eye trauma can cause cataract at any age. A blunt or penetrating eye injury can damage the lens directly, or disrupt the capsule that holds the lens in place, leading to rapid clouding.

Congenital cataract is present at birth or develops in early childhood. It must be identified and treated early to prevent amblyopia, the permanent visual impairment that occurs when a child’s visual system does not develop normally because a clear image is not reaching the retina.

UV radiation and smoking both increase oxidative stress on the lens and contribute to earlier cataract development.

Previous eye surgery including certain glaucoma surgeries, can accelerate cataract formation.

Symptoms of Cataract

Cataract develops slowly. Most people adapt gradually and do not notice the change until it is significant. The classic symptoms are:

Blurred or hazy vision that is not corrected by a change of glasses
Reduced vision in dim light and difficulty driving at night
Glare and halos around lights, especially headlights and streetlights
Frequent changes in glasses prescription
Fading or yellowing of colours
Double vision or ghost images in one eye
A feeling that you need brighter light to read

One early sign worth knowing: some people with a developing nuclear cataract experience temporary improvement in near vision, sometimes called “second sight.” Reading glasses that were previously necessary are suddenly not needed. This improvement is short-lived and followed by deterioration.

When Should You Have Cataract Surgery?

The decision to operate is based on two things: how much the cataract is affecting your daily life, and whether any other eye condition is present that may complicate surgery or limit the visual outcome.

There is no universal threshold. A cataract that prevents a surgeon from driving or a teacher from reading the board is a different functional problem than the same density of opacity in someone with less visually demanding work.

Your doctor may recommend earlier surgery if:

The cataract is dense enough to prevent adequate examination or treatment of the retina or optic nerve, particularly relevant in glaucoma patients
A mature or hypermature cataract is causing raised eye pressure (phacomorphic glaucoma)
A congenital cataract is threatening normal visual development in a child

Not sure about your diagnosis? You are not alone.

Many patients come to Dr Bhartiya after receiving a diagnosis elsewhere: unsure whether to start treatment or surgery, concerned about long-term progression, or simply wanting clarity before committing to a plan.

A second opinion is not a sign of distrust. It is good medicine.

Request a Second Opinion →

Cataract Surgery in Gurgaon

All modern cataract surgery is performed as a day case, under topical anaesthesia (eye drops, no injections around the eye in most cases), and takes 15 to 30 minutes per eye.

Phacoemulsification

This is the standard of care worldwide and the most commonly performed cataract surgery. A small incision of approximately 2.2 mm is made in the cornea. An ultrasound probe breaks the cloudy lens into tiny fragments, which are then aspirated out of the eye. A foldable intraocular lens (IOL) is inserted through the same incision. The wound is self-sealing. This means that no stitches are needed. Recovery is fast, with most patients seeing clearly within a day or two.

Microincision Cataract Surgery (MICS)

A refinement of phacoemulsification, MICS uses an incision of 1.8 mm or smaller. The smaller wound causes less surgically-induced astigmatism and heals faster. It is the preferred technique in most modern cataract centres.

Femtosecond Laser-Assisted Cataract Surgery (FLACS)

A laser is used to perform several of the initial steps of surgery: the corneal incision, the opening of the lens capsule (capsulotomy), and the pre-fragmentation of the lens, with a precision that the human hand cannot replicate. The remaining steps are completed with standard phacoemulsification. FLACS is particularly useful when premium IOLs are being implanted, as the precision of the capsulotomy improves lens centration. You can read more about femtosecond laser-assisted cataract surgery here.

Choosing Your Intraocular Lens (IOL)

The IOL that replaces your natural lens is a permanent implant. Choosing the right one is an important decision.

Monofocal IOL: the standard IOL. It corrects vision at one distance, usually set for distance. You will need reading glasses after surgery. Covered by most insurance.

Multifocal IOL: corrects vision at multiple distances using different zones in the lens. Many patients achieve spectacle independence for both distance and near. Trade-offs include some loss of contrast sensitivity and potential for glare or halos at night. Not suitable for everyone, particularly those who drive extensively at night or have certain corneal conditions.

Toric IOL: corrects pre-existing astigmatism at the time of cataract surgery. If you currently need a cylindrical component in your glasses, a toric IOL can address this and reduce your dependence on glasses for distance vision.

Extended Depth of Focus (EDOF) IOL: a newer lens design that provides a continuous range of clear vision from distance to intermediate, with fewer halos than traditional multifocal lenses. Good for patients who spend significant time at a computer.

Monovision: an alternative approach where one eye is corrected for distance and the other for near, using monofocal lenses. Some patients adapt extremely well; others find it uncomfortable. A trial with contact lenses before surgery can help predict how you will tolerate it.

Your surgeon will discuss which option suits your eye measurements, lifestyle, and visual demands.

Cataract Surgery and Glaucoma

These two conditions frequently coexist, and their interaction is clinically important. A few key points:

Cataract surgery can lower intraocular pressure modestly in many patients. In eyes with narrow angles or angle-closure glaucoma, removing the thick natural lens can open the drainage angle significantly, reducing pressure. For some patients, cataract surgery alone may reduce the need for glaucoma drops.

Conversely, certain glaucoma surgeries, particularly trabeculectomy, can accelerate cataract formation. If you have had glaucoma surgery in the past, discuss the implications for your surgical approach with your ophthalmologist before cataract surgery.

Combined cataract and glaucoma surgery is sometimes appropriate. Minimally invasive glaucoma surgery (MIGS) procedures can be performed at the same time as cataract surgery, lowering eye pressure while restoring vision in a single operative episode. Read more about glaucoma surgery options here.

After Cataract Surgery: What to Expect

Vision improves within 24 to 48 hours for most patients
Antibiotic and anti-inflammatory eye drops are prescribed for 4 to 6 weeks
Avoid rubbing the eye
Avoid swimming and dusty environments for two to four weeks
Driving may resume once your doctor confirms adequate visual acuity in the operated eye
Final glasses prescription is given 4 to 6 weeks after surgery, once the eye has stabilised

A small percentage of patients develop posterior capsular opacification (PCO), sometimes called “secondary cataract”, months to years after surgery. This is not a recurrence of the original cataract. It is a thickening of the membrane behind the IOL, and is treated very simply with a brief laser procedure (YAG capsulotomy) in the outpatient clinic.

Prevention

Cataract cannot be prevented entirely. But the following reduce your risk or slow progression:

Control blood sugar if you have diabetes
Wear UV-protective sunglasses outdoors
Stop smoking
Avoid long-term steroid use without ophthalmological monitoring
Annual eye examinations after the age of 40

Frequently Asked Questions

What are the early signs of cataract?

Early cataract causes blurred or cloudy vision, increased glare, and frequent changes in your glasses prescription. Colours may appear faded or yellowed.

At what age does cataract usually develop?

Cataract most commonly develops after age 50 as part of natural ageing. It can also affect younger adults, children, and rarely, newborns.

Is cataract surgery safe?

Phacoemulsification is one of the most commonly performed and safest surgeries in the world. Most patients return to normal activities within a few days.

Will I need glasses after cataract surgery?

This depends on the lens implanted. A standard monofocal lens corrects distance vision. A multifocal lens reduces dependence on glasses for both distance and near work.

Can cataract come back after surgery?

The cataract itself does not return after surgery. Some patients develop a secondary cloudiness called posterior capsule opacification. This is easily treated with a laser procedure.

How do I know if my cataract needs surgery now?

Surgery is recommended when the cataract affects your daily activities — driving, reading, or working — regardless of how it looks on examination.

Can cataract and glaucoma occur together?

Yes. Cataract and glaucoma frequently coexist, especially in older adults. Both conditions require separate evaluation and sometimes benefit from combined surgical management.

What is the difference between phacoemulsification and MICS?

Phacoemulsification uses a 2.2mm incision. MICS (Microincision Cataract Surgery) uses a smaller 1.8mm incision. MICS causes less astigmatism and allows faster healing.

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

Read the research articles

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 has published peer-reviewed research on eye care, 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.

Her work can be accessed on Pubmed, Google Scholar, ResearchGate and ORCID.

Dr Shibal Bhartiya
Glaucoma • Second Opinion • Advanced Care

www.drshibalbhartiya.com
+91 88826 38735

Patient reviews Google Business Profile

Upload your reports for a structured review.

Related Reading

Cause of cataract

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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

Vision Not Clear After Cataract Surgery? What It Really Means

Multifocal Lenses