Figure 1.
Frequency distribution plots for the pre- and posttreatment visual scores for (a) control group, (b) FV group, (c) CPP-ACP group, and (d) CPP-ACP-FV group.
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.