Comparison of different procedures

Laser Vision Correction has evolved over time.

To compare the different procedures, we provide a table below:

  PRK Microkeratome (Conventional) LASIK Femto-LASIK (No Blade) ReLEx SMILE
Pain after the procedure Intense for 24 hours Discomfort for a few hours Discomfort for a few hours Discomfort for 2 hours
Visual Recovery Poor for 3-4 days, recovers gradually over a few weeks Very Quick (few hours) Very Quick (few hours) Quick
Susceptibility to Infection High during first 3-4 days Low Low Very Low
Predictability of the procedure High for low powersLow for high powers High High Very High
Likelihood of Flap Displacement None 1 in 100 1 in 250 None
Incidence of Dry Eyes Low Few Few Low
Maintenance of Corneal Architecture Very High Some Compromise Some Compromise Very Little Compromise
Red Eyes after the Procedure None 1 in 10 eyes None None
Flap Complications No Flap 1 in 50 eyes 1 in 250 eyes Flap Less
Return to Routine Activities 3-4 days 1 day 1 day 1 day
Restrictions on Swimming/Beach/Contact Sports 2-3 Months 2 Months 1 Month 1 Week
Steroid Eye Drops 3 Months 1 Week 1 Week 1 Week
Likelihood of Haze and Regression Low in Low Myopes1 in 25 in Myopia (>-6D)1 in 10 in Hyperopia (>+4D) None None None
Cost + + ++ +++