Corneal nerve regeneration after herpes simplex keratitis: A longitudinal in vivo confocal microscopy study.

Purpose: To evaluate the long-term alterations of corneal nerves in patients with herpes simplex virus (HSV) keratitis using in vivo confocal microscopy (IVCM).

Design: Prospective, longitudinal, cross sectional.

Methods: This study included 16 patients with a history of HSV keratitis and 15 age-matched normal controls.