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.
The degree of binocular gain (positive values) and loss (negative values) plotted as a function of interocular difference on this measure (SKILL dark chart acuity). Points falling above or below the region bounded by a rectangle represent significant gain (above) or loss (below).
