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.
Goldmann visual field simulating an individual with central visual loss. The physiological blind spot, which corresponds to the location of the optic nerve head, is depicted as a small dark oval. The larger, more irregular darkened region corresponds to a blind spot, or scotoma, caused by atrophy and/or scarring within the macula.
