Figure 2.
Example of Acuvue BF lens when well aligned (left) and the same lens when deliberately decentered by +0.5 mm (right).
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.