Figure 6.
(a) Definition of optic disc, cup, and neuroretinal rim radiuses. (b) GT optic disc and cup boundaries. (c) Estimated optic disc and cup boundaries. Green means optic disc boundary and blue means cup boundary.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.