What is an iris and where is it located?
It is transparent bulge, located behind cornea.
It is a transparent medium, located behind retina.
It is a dark muscular diaphragm, located infront of cornea.
It is a dark muscular diaphragm, located behind cornea.
It is a muscular diaphragm which is dark in colour and is located behind the cornea to control the opening of the pupil.