Question

Iris is part of
(a) sclerotic
(b) choroid/uvea
(c) choroid and retina
(d) sclerotic and choroid

Answer 1

Iris is a pigmented and opaque structure present in choroid. It gives colour to the eye and controls the amount of light entering the eye by changing the shape of pupil. The outer edge of iris is attached to sclera and hence, it is a part of sclera and choroid.