Prophylactic laser treatment hastens choroidal neovascularization in unilateral age-related maculopathy: final results of the drusen laser study.

Purpose: The Drusen Laser Study evaluated macular laser to prevent choroidal neovascularization (CNV) and vision loss in high-risk age-related maculopathy (ARM).

Design: Prospective, interventional, randomized, controlled clinical trial in five hospital centers.

Methods: Patients in the unilateral group had neovascular ARM and drusen in the study eye.