Radial optic neurotomy in central retinal vein occlusion: comparison of outcome in younger vs older patients.

Purpose: To evaluate the effectiveness of radial optic neurotomy (RON) for central retinal vein occlusion (CRVO) in patients < or =50 years of age (group 1) vs those >50 (group 2).

Design: Prospective, interventional, comparative case series.

Methods: The study included 43 consecutive patients with CRVO and preoperative visual acuity (VA) < or =0.