Verywell Health on MSN1y
Iris: Anatomy, Function, and Associated Conditions
It is the muscular curtain that sits near the front between the cornea and the lens. The iris determines the size of the ...
Your House Pet on MSN2mon
10 Reptiles with the Most Striking Eyes
These snakes have elliptical pupils surrounded by a stunning yellow or gold iris. The eyes are well-camouflaged within the ...