LASEK and LASIK both use lasers to reshape the cornea, but they differ in how deep the initial preparation goes. This affects corneal strength, recovery time, and comfort.
Technique and tissue handling
LASIK creates a thicker flap deeper in the cornea, which is lifted and then replaced. LASEK loosens only the thin surface epithelium with alcohol and replaces it after laser treatment.
- LASIK offers rapid recovery and minimal early discomfort
- LASEK preserves more structural strength by avoiding a deep flap
- Both reshape the underlying cornea with excimer laser pulses
- Suitability depends on thickness, curvature, and any previous surgery
Recovery and risk profile
Patients often choose between quicker comfort and potential biomechanical advantages. Outcomes can be excellent with either technique.
- LASEK typically involves several days of soreness and slower visual improvement
- LASIK carries a small risk of flap displacement or ectasia
- Surface procedures like LASEK may be preferred for contact sports
- Your surgeon will weigh safety, lifestyle, and prescription when advising
