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.
Binocular vs. better monocular visual acuity (a) and contrast sensitivity (b)-(e) for the three optical conditions. Each data point represents the visual performance for one subject for one correction condition under monocular (x-axis) and binocular (y-axis) viewing. The dashed line represents equality in visual performance between binocular and monocular viewing.
