Table 2.
Change in refraction at 2 months versus 6 months, 1 year, 1.5 years and 2 years in both groups
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.