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.
(a) Intensity and (b) IPOL image of a sheep optic nerve head section. Three major organizational components of the sclera are discernible. (c) Close-up of peripapillary sclera revealed highly detailed collagen fiber features: two families of crossing fiber (white arrow), collagen fiber undulations or crimp (red arrow), and sub-bundle fiber composition (cyan arrow). (d) Close-up of a bundle shows its fiber composition.
