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.
En face image example from an 83 y/o patient with geographic atrophy (yellow). (a) OCTA B-scan and derived mask (b). (c) OCT B-scan and typical derived amplitude decorrelation mask (d). (e) OCTA B-scan masked with both masks. B-scans are axially averaged to generate an en face image (f), which shows choroidal vasculature in areas of atrophy. Corresponding superficial and choroidal vessels are marked with red and cyan triangles, respectively. (g) Corresponding en face OCT image.
