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.
Change in median VA (number of letters) between baseline and 1 year (1A) and between baseline and 3 years (1B) in eyes assigned to deferral of photocoagulation, by DME severity level on the five-step scale (see Table 1) at baseline and at follow-up. Boxes show the 25th and 75th percentiles, whiskers the 10th and 90th percentiles, and the line within box the median.
