Figure 2.
Precorneal cross-linking and postcorneal cross-linking 6th month higher-order aberration values in group 2 (18 mW/cm2, 5 min).
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.