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.
Schematic representation of the structure and composition of the cornea and the tear film. The cornea consists of the tear film, epithelium, Bowman’s membrane, stroma, Descemet’s membrane, and inner endothelium. The tear film consists of the outer lipid phase, intermediate aqueous phase, and mucus. Created with BioRender.com.
