Figure 5.
(A) Contrast sensitivity under mesopic illumination (3 cd/m2). *Statistically significantly different at a level of 0.05. (B) Contrast sensitivity under photopic illumination (85 cd/m2).
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.