Photographic assessment of baseline fundus morphologic features in the Comparison of Age-Related Macular Degeneration Treatments Trials.

Objective: To describe the methods used for assessment of baseline fundus characteristics from color photography and fluorescein angiography (FA) in the Comparison of Age-Related Macular Degeneration Treatments Trials (CATT) and to describe the relationship between these characteristics and visual acuity.

Design: Randomized, masked, multicenter trial.

Participants: This investigation included 1185 participants of the CATT study.