Increased rim thinning was the second most commonly feature of optic nerve progression; occurring in 50 of the 92 eyes (54%) with progressive disc changes; 46 eyes exhibiting 1 to 3 quadrants of ...

for excavation and rim thinning and 1 or more clock-hour designations for focal notching, NFL defect, disc hemorrhage, and optic nerve pits. The reviewers mediated disagreements about progression ...