FIGURE 1.
Scheme showing the three opening layers of the optic nerve head, and the sequel of a temporal shift of Bruch membrane opening with subsequent formation of parapapillary gamma zone.
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.