Optic disc cupping as clinically estimated from photographs.
PubMed ID: 3684221 Author(s): Klein BE, Moss SE, Magli YL, Klein R, Johnson JC, Roth H. Optic disc cupping as clinically estimated from photographs. Ophthalmology. 1987 Nov;94(11):1481-3. Journal: Ophthalmology, Volume 94, Issue 11, Nov 1987 Cup-to-disc ratios of 204 right eyes were evaluated by two clinicians and by a trained grader using a standardized grading …