- Go to slide 1 out of 5
- Go to slide 2 out of 5
- Go to slide 3 out of 5
- Go to slide 4 out of 5
- Go to slide 5 out of 5

Overview
Anesthetic eye drops are given to numb the eye and the surgeon marks the cornea with water-soluble ink to guide replacement of the corneal flap.
Review Date 7/23/2024
Updated by: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.