Figure 4.
Change in mean keratometry in both groups in 5-mm zone. CL, contact lens; K, keratometry; Ortho K, Orthokeratology.
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.