Wondering if you are a good candidate for LASIK surgery? Learn about LASIK eligibility, age requirements, stable vision, corneal health, medical conditions, and other factors that determine whether laser eye surgery is right for you.
If you're tired of reaching for glasses every morning or constantly dealing with dry, irritated eyes from contact lenses, you've probably wondered: Am I a good candidate for LASIK?
It's one of the most common questions eye surgeons hear. And the honest answer is — it depends. LASIK isn't a one-size-fits-all solution. While the procedure has helped millions of people achieve clear vision without glasses or contacts, not everyone qualifies.
In India, the demand for LASIK and other refractive procedures is growing rapidly. The market is currently valued at ₹2,000–2,500 crore, with procedures increasing at 8–10% annually . This surge is driven by rising myopia rates among urban youth, increasing screen time, and a growing preference for glasses-free living .
But before you book a consultation, let's walk through what actually makes someone a good candidate for laser eye surgery — and who should probably consider other options.
LASIK stands for Laser-Assisted In Situ Keratomileusis. It's a refractive surgery that reshapes your cornea — the clear, dome-shaped surface at the front of your eye — to correct how light focuses on your retina .
The procedure works for three main vision problems:
Myopia (nearsightedness): Close objects are clear, but distant objects are blurry
Hyperopia (farsightedness): Distant objects are clear, but close objects are blurry
Astigmatism: Blurry vision at all distances caused by irregular corneal shape
During LASIK, your surgeon creates a thin flap in the cornea, uses a laser to remove microscopic amounts of tissue underneath, and then repositions the flap . The entire procedure typically takes about 20 minutes, and most people notice significantly improved vision within 24 hours .
According to leading eye health authorities, the best candidates for refractive surgery are generally healthy adults aged 18 and older with healthy eyes who are dissatisfied with glasses or contact lenses .
Here's what eye surgeons look for:
Your eyes continue changing through your teenage years and into your early twenties. Performing LASIK before your vision stabilizes increases the risk of needing a second procedure later .
Most surgeons prefer patients to be at least 21 years old, when vision is more likely to have stopped changing .
This is non-negotiable. Your eyeglass or contact lens prescription should not have changed significantly in the past year . If your vision is still fluctuating, your surgeon will likely recommend waiting.
Your cornea needs to be thick enough and structurally sound to safely create the flap and reshape the tissue . Corneal thickness is measured during a comprehensive eye exam — if it's too thin, LASIK may not be safe for you.
Your eyes should be free from active diseases or conditions that could interfere with healing or increase complication risks . This includes:
No active eye infections
No severe dry eye
No glaucoma (advanced stages)
No cataracts affecting vision
No keratoconus (cone-shaped cornea)
No corneal scars or disease
LASIK is excellent at reducing dependence on glasses and contacts, but it's not magic. It won't give you superhuman vision — at best, it can achieve what you'd get with glasses or contact lenses . It also doesn't prevent presbyopia (age-related reading vision loss), so you'll likely still need reading glasses in your 40s and beyond .
Just as important as knowing who qualifies is understanding who doesn't. Certain conditions and circumstances can make LASIK unsafe or ineffective.
These conditions generally rule out LASIK entirely:
Keratoconus: A progressive disease that thins and bulges the cornea
Active autoimmune or connective tissue diseases: Conditions like rheumatoid arthritis, lupus, or Sjögren's syndrome can impair wound healing
Severe dry eye: Surgery can worsen this condition significantly
Recurrent corneal herpes simplex infection: Surgery may reactivate the virus
Extreme refractive errors: Very high prescriptions may not be safely correctable with LASIK
Uncontrolled diabetes: Can affect healing and increase infection risk
These situations require careful discussion with your surgeon:
Pregnancy or breastfeeding: Hormonal changes can cause temporary vision fluctuations — wait until vision stabilizes
Certain medications: Isotretinoin (Accutane) and amiodarone can affect healing
Large pupils or small corneas: May increase risk of night vision problems
High-risk occupations: Police, firefighters, and military personnel may be better suited for PRK or SMILE, which don't create a flap that could be dislodged
History of eye injury or surgery: Requires individual assessment
If you're not a candidate for LASIK, don't lose hope. Other procedures might work for you:
PRK (Photorefractive Keratectomy): Instead of creating a flap, PRK removes the outer layer of the cornea entirely. It's a better option for people with thin corneas or those in high-contact sports .
SMILE (Small Incision Lenticule Extraction): A newer, less invasive procedure that removes a small piece of corneal tissue through a tiny incision. It's only approved for myopia and astigmatism .
Implantable Lenses: For people with very high prescriptions who aren't LASIK candidates, implantable collamer lenses (ICLs) or refractive lens exchange might be options .
The table below summarizes the key differences between LASIK and PRK:
A proper LASIK consultation isn't a quick five-minute exam. It involves a comprehensive dilated eye exam to assess every aspect of your eye health and vision .
Here's what your surgeon will check:
Refractive error measurement: Your exact prescription is determined
Corneal thickness mapping: Using special imaging to measure your cornea
Corneal surface health: Checking for irregularities or disease
Tear film evaluation: Assessing for dry eye
Pupil size: Large pupils may increase night vision side effects
Overall eye health: Checking for glaucoma, cataracts, and retinal issues
Your surgeon will also ask detailed questions about your general health, medications, and lifestyle to identify any factors that might affect outcomes .
The ideal LASIK candidate is someone who:
✅ Is at least 18 years old (ideally 21+)
✅ Has had stable vision for at least one year
✅ Has healthy, thick enough corneas
✅ Is free from active eye diseases
✅ Is in good general health
✅ Has realistic expectations about results
You're probably not a good candidate if you:
❌ Have keratoconus or other corneal diseases
❌ Have severe dry eye
❌ Have uncontrolled autoimmune conditions
❌ Are pregnant or breastfeeding
❌ Have an unstable prescription
The only way to know for certain is to undergo a comprehensive evaluation with a qualified ophthalmologist. Self-assessment can only take you so far — your eye surgeon needs to examine your eyes directly to make an accurate determination.
If you've been considering LASIK, the first step is scheduling a consultation. During this visit, be honest about your medical history, medications, and expectations. Ask questions. A good surgeon will never pressure you into surgery — they'll give you an honest assessment of whether LASIK is right for you or if another option might serve you better.
Clear vision without glasses is possible for many people. But it starts with understanding whether your eyes are ready for it.
Disclaimer: This article is for informational purposes only and does not constitute medical advice. Consult a qualified ophthalmologist for personalized evaluation and recommendations regarding LASIK or any other vision correction procedure.
Book a free consultation with Dr. VK Bansal today. Life is better in clear vision.