Liquid Nitrogen Cryotherapy Treatment of Herpes Simplex Epithelial Keratitis.

A retrospective case series was performed in a university setting for all patients with herpes simplex epithelial keratitis who underwent liquid nitrogen cryotherapy from 2012-2015. Outcome measure was clinical evidence of resolution of epithelial keratitis in the cornea with re-epithelialization. All cases of epithelial keratitis showed partial and complete resolution at day 1 and week 1 respectively. Liquid nitrogen cryotherapy is a safe and effective treatment for herpes epithelial keratitis comparable to other published studies.