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.
Benign interface debris in the LASIK interface. (Reprinted from Randleman JB. Chapter 8: Etiology and clinical presentations of irregular astigmatism after keratorefractive surgery. In: Wang M, ed. Irregular Astigmatism: Diagnosis and Treatment. SLACK Inc., Thorofare, NJ 2007: 79–90)
