Corneal flap Thin segment of tissue on the superficial of the cornea made at the initiation of LASIK surgery. Created with either a microkeratome or a femtosecond laser. « Back to Glossary Index By Dr. Columbus|2019-09-19T14:30:17+00:00September 14th, 2019|Comments Off on Corneal flap FacebookTwitterLinkedInPinterest