Am I a Candidate for LASIK? Age Limits & Eligibility in India
Dr. Nikhil Nasta
2 min read
LASIK is not “allowed” or “disallowed” by a blog - it is decided by measurements, eye health, and risk tolerance after a full ophthalmic workup. That said, patients across India repeatedly ask the same eligibility questions; here are clear, conservative answers aligned with what major international guidance emphasises.
Age: what “18+” really means
- Regulatory approvals often reference adult age thresholds; many clinics prefer 21+ when stability is uncertain.
- Younger adults may still be candidates if the prescription has been stable (commonly discussed as roughly 1-2 years without meaningful change - your surgeon defines “meaningful”).
- Presbyopia (near-vision changes after ~40) does not automatically disqualify distance LASIK, but it changes expectations about reading glasses.
The non-negotiable eye criteria
Corneal thickness and shape
LASIK removes tissue and (in flap-based LASIK) creates a flap. Your cornea must have enough thickness and a normal topography (no keratoconus pattern).
Ocular surface health
Moderate-severe dry eye, blepharitis, or active allergy should often be treated before surgery, not ignored.
Pupil size / night symptoms risk
Your surgeon may discuss how optics relate to your lifestyle (night driving, large pupils) - this is personalised, not one formula.
Medical and life-stage factors
Common reasons to delay or avoid LASIK include:
- Pregnancy or breastfeeding (hormones can shift refraction and dry eye)
- Uncontrolled autoimmune disease (case-dependent)
- Unrealistic expectations (“guaranteed 6/6 forever with zero side effects”)
What happens at a proper LASIK screening
Expect refraction, corneal mapping, thickness measurement, dilated retina evaluation where indicated, dry eye assessment, and a discussion of alternatives (PRK-style options, SMILE, or glasses/contacts).
Find out if LASIK is right for your eyes
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Dr. Nikhil Nasta
Dr. Nikhil Nasta is the Founder & Lead Surgeon at iSight Eye Care. With over two decades of experience, he specializes in advanced cataract surgery and comprehensive eye care, dedicated to restoring vision and improving patients' quality of life.
Frequently Asked Questions
There is no single “best” age - stability and corneal health matter more than a number.
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Disclaimer: This information is for educational purposes only. Individual cases vary; consult a specialist for personalized advice.