Before revision:  Setting: Clinic setting with PACS access to OCT images of patients with or without retinal fluid. Participants: Board-certified ophthalmologists with fellowship training in retina retrospectively selected retinal OCT images in a consecutive fashion. Effort was made by each center to balance the number of scans with retinal fluid and scans without.
After revision:  Investigators consecutively selected retinal OCTs, while making effort to balance the number of scans with retinal fluid and scans without.