What are the risks of LASIK?

While LASIK is very safe, understanding potential risks helps you make an informed decision.

Common Side Effects (Usually Temporary)

Dry Eyes (40-50% initially)

• Most common side effect
• Usually resolves within 3-6 months
• Managed with artificial tears
• Rarely permanent

Visual Disturbances

• Halos: Rings around lights
• Glare: Starbursts from lights
• Ghosting: Double images
• Usually improve within 3-6 months
• More noticeable at night

Less Common Complications (1-5%)

Under/Over-correction

• May need glasses for some activities
• Enhancement procedure can correct
• More common with high prescriptions

Regression

• Vision gradually changes back
• Usually minor
• Can be retreated if significant

Rare Complications (<1%)

Flap Problems

• Wrinkles or folds
• Incomplete flap
• Flap dislocation
• Usually correctable

Infection

• Extremely rare with proper care
• Treated with antibiotics
• Rarely causes permanent damage

Ectasia

• Corneal bulging/weakening
• Very rare (1 in 2,500)
• Risk higher with thin corneas
• May require corneal transplant

Serious Vision Loss

• Extremely rare (< 0.1%)
• Usually from complications, not procedure itself
• Most cases improvable with treatment

Minimizing Risks

1. Choose experienced surgeon 2. Complete thorough evaluation 3. Follow all pre/post-op instructions 4. Report any concerns immediately