Figure 4.
Choroidal vascularity index calculated with the OCT image binarization algorithm in a patient with geographic atrophy (A) and in an age-matched healthy subject (B) was 61.3% and 65.2%, respectively.
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.