LASIK Eye Surgery โ€” 25 Most Asked Questions Answered (India 2026)
Ophthalmology

LASIK Eye Surgery โ€” 25 Most Asked Questions Answered (India 2026)

By Dr. Mahipal Sachdev ยท MS Ophthalmology, FRCS, FACS, 35 years experience, Centre for Sight Delhi Delhi ยท 8 min read

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Quick Answer

LASIK eye surgery takes 15 minutes per eye, is painless under numbing drops, costs Rs 15,000 to Rs 1,00,000 per eye in India, and gives glasses-free vision to 95%+ of patients. Results are permanent. Recovery takes 24-48 hours.

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LASIK Eye Surgery โ€” 25 Most Asked Questions Answered

LASIK is one of the safest and most performed elective surgeries in the world. Here are answers to the 25 most common questions Indian patients ask.

1. Is LASIK painful?

No. Numbing eye drops are applied before the procedure. You feel no pain during LASIK. After surgery there may be mild burning, watering, and light sensitivity for 4 to 6 hours โ€” this passes on its own.

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2. How long does LASIK take?

The laser treatment itself takes 30 to 60 seconds per eye. The entire procedure including preparation takes 15 to 20 minutes. You are in and out of the laser suite in under 30 minutes for both eyes.

3. How soon will I see clearly after LASIK?

Most patients see clearly within 24 hours. Some see clearly immediately after the procedure. Full, stable vision is typically achieved within 1 week.

4. What is the minimum age for LASIK in India?

18 years. Most surgeons prefer 20 to 21 years when the prescription is fully stable. There is no upper age limit โ€” LASIK can be performed at any age if the eyes are healthy.

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5. What power can LASIK correct?

Myopia (short-sightedness): up to -12.00 diopters. Hyperopia (long-sightedness): up to +6.00 diopters. Astigmatism: up to 6.00 diopters. SMILE and advanced LASIK can correct higher powers. Your suitability depends on corneal thickness, not just power.

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6. Is LASIK permanent?

Yes. LASIK permanently reshapes your cornea. The correction achieved does not reverse. However, your eye can continue to change with age, and reading glasses may be needed after 40 due to presbyopia โ€” unrelated to LASIK.

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7. What is the difference between LASIK, SMILE, and Contoura?

LASIK uses a blade or femtosecond laser to create a flap, then an excimer laser reshapes the cornea under the flap. Suitable for most prescriptions.

SMILE (Small Incision Lenticule Extraction) is flapless โ€” a small lenticule is removed through a tiny incision. No flap means less risk of dry eyes and better for active people and contact sports. Latest technology.

Contoura Vision is topography-guided LASIK โ€” personalised to the exact shape of your cornea. Gives the best quality of vision, often better than glasses.

8. What is Femtosecond LASIK (Bladeless LASIK)?

Traditional LASIK uses a metal blade (microkeratome) to create the corneal flap. Bladeless LASIK uses a femtosecond laser to create the flap with more precision. Most centres in India now use bladeless LASIK as standard.

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9. Can LASIK treat astigmatism?

Yes. LASIK, SMILE, and Contoura Vision all effectively treat astigmatism. Contoura Vision is particularly excellent for astigmatism as it is guided by the exact corneal topography.

10. What happens if I move my eyes during LASIK?

Modern LASIK machines have high-speed eye-tracking systems (1,000 to 4,000 Hz) that track your eye movements and automatically adjust the laser. Moving your eyes will not affect the outcome.

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11. Is LASIK safe?

Yes. LASIK is one of the most studied elective surgical procedures in the world with over 50 million procedures performed globally. Serious complications occur in less than 1% of cases at experienced centres. The key is choosing an experienced refractive surgeon with modern equipment.

12. What are the risks and side effects of LASIK?

Common temporary side effects: dry eyes (most common), halos and glare at night, light sensitivity, fluctuating vision in the first few weeks.

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Rare complications (less than 1%): under-correction or over-correction (treatable with enhancement), flap complications (in blade LASIK), infection (extremely rare with proper protocols), ectasia (corneal thinning โ€” prevented by proper pre-operative screening).

SMILE has a lower risk of dry eyes than LASIK because no flap is created.

13. Who is NOT suitable for LASIK?

Unstable prescription (changed in the last year). Cornea too thin (below 480 microns). Keratoconus or suspicious corneal topography. Severe dry eyes. Uncontrolled glaucoma. Active eye infections. Pregnant or breastfeeding women. Certain autoimmune diseases.

14. How many days off work do I need after LASIK?

For desk work: 1 to 2 days. For physical or outdoor work: 1 week. Driving: after 1 to 2 days once vision is stable and confirmed by your surgeon.

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15. Can LASIK be done on one eye at a time?

Most surgeons do both eyes on the same day for convenience and faster recovery. Some patients prefer to do one eye first. Doing both eyes together does not increase risk.

16. What is the LASIK pre-evaluation?

The pre-evaluation includes corneal topography (corneal mapping), corneal thickness measurement (pachymetry), pupil size measurement, dry eye test, refraction, and slit lamp examination. It takes 30 to 45 minutes and determines if you are a suitable candidate.

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17. How long does the effect of LASIK last?

For most patients โ€” decades to a lifetime. Studies show 90%+ of LASIK patients maintain excellent distance vision 10 to 20 years after surgery. Natural age-related changes (presbyopia after 40, cataract after 60) are separate from LASIK.

18. What is LASIK enhancement?

If your vision is under-corrected or over-corrected after LASIK, an enhancement (touch-up) procedure can fine-tune the result. Most reputable centres offer free enhancement within 1 year if needed. Enhancement rate at quality centres is 2 to 5%.

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19. Can I get LASIK if I have dry eyes?

Mild dry eyes: manageable with lubricating drops before and after LASIK. Moderate dry eyes: SMILE is preferred as it preserves more corneal nerves and causes less post-operative dryness. Severe dry eyes: LASIK may be contraindicated. Your surgeon will advise.

20. What is the LASIK success rate?

Over 95% of patients achieve 6/6 (20/20) or better vision after LASIK. Over 99% achieve 6/12 or better (legal driving standard). Patient satisfaction rates across multiple studies exceed 95%.

21. Can LASIK be done after 40?

Yes. LASIK corrects distance vision at any age. However patients above 40 will still need reading glasses for near work due to presbyopia. Some patients above 40 choose monovision LASIK โ€” one eye corrected for distance and one for near.

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22. What is the difference between LASIK and cataract surgery?

LASIK corrects refractive errors (myopia, hyperopia, astigmatism) in young to middle-aged patients with clear natural lenses. Cataract surgery removes the cloudy natural lens and replaces it with an artificial IOL in older patients. Both can achieve glasses-free vision but are entirely different procedures.

23. How do I prepare for LASIK?

Stop wearing contact lenses for 1 to 2 weeks before evaluation (soft lenses) or 3 to 4 weeks (hard lenses). No eye makeup on the day of surgery. Arrange a companion to drive you home. Eat normally on the day โ€” this is not a fasting procedure.

24. What is Contoura Vision and how is it different?

Contoura Vision is topography-guided LASIK that maps 22,000 points on your cornea to create a completely personalised treatment. Standard LASIK corrects your spectacle power. Contoura corrects both your spectacle power AND the unique irregularities in your corneal shape. Many patients achieve better than 6/6 vision with Contoura.

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25. How to choose the best LASIK centre in India?

Look for: experienced refractive surgeon (5+ years, 500+ LASIK cases), modern laser equipment (WaveLight EX500, VisuMax SMILE), NABH or JCI accreditation, transparent pricing with no hidden charges, free enhancement policy, comprehensive pre-operative evaluation.

MySurgery only partners with centres meeting these standards. Call 8588967050 for a free consultation.

Call MySurgery at 8588967050 or WhatsApp us for a free consultation with an experienced ophthalmologist in your city. Callback within 30 minutes.

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S

Dr. Mahipal Sachdev

MS Ophthalmology, FRCS, FACS, 35 years experience, Centre for Sight Delhi Delhi

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