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.
Horizontal line-scans through the foveal regions in Fig. 3. The scans provide quantitative measurements of the relative optical density distributions at 460 nm of a) macular pigment, b) cone photopigment, c) rod photopigment, and d) melanin along a horizontal meridian through the fovea.
