Histopathology of Deep Anterior Lamellar Keratoplasty With Pneumatic Dissection: The “Big-Bubble” Technique

Abstract

Pneumatic dissection in DALK produces diffuse intrastromal air bubbles that may mask the corneal thinning that usually characterizes keratoconus histopathologically. This is a characteristic finding of which ocular pathologists and corneal surgeons should be aware.