Management of Tomographically Suspicious Fellow Eyes of Young Patients With Unilateral Clinically Evident Keratoconus: Accelerated Epithelium-On Corneal Crosslinking Versus Observation.

Purpose: To investigate the effectiveness and safety of accelerated epithelium-on crosslinking to stabilize tomographically suspicious fellow eyes of young patients with unilateral clinically evident keratoconus (KC) compared with observation alone.

Methods: This retrospective observational study included 43 fellow eyes of 43 young patients with unilateral clinically evident KC who completed a 24-month follow-up. Twenty-four eyes underwent accelerated epithelium-on crosslinking [epi-on corneal crosslinking (CXL) group] and 19 eyes were observed (observation group).