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.
Spherical Equivalent Refractive Accuracy. The percentage (%) of eyes related to their spherical equivalent achieved at 6 months after surgery. The dark blue columns are remarking the percentage of eyes with spherical equivalent refraction between +0.50 to -0.50; summarizing 52%. D: diopter; %: percentage.
