Fig. 5.
Pre–post ratio plotted against spatial frequency for (a) normal observers and (b) amblyopic observers. Points lying below the dotted line (PPR = 1) denote an improvement in performance. Error bars represent SEM.
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.