Iris and Pupil - Gene Vision

The iris is the structure that gives the eye colour. The pupil is the black hole in the middle of the iris.

Diagnostic Yield in Non-Dilating Pupils - Retina Today

Iris - Handmade Paintings

What is Aniridia?

Iris of the Eye (Anatomy, Functions & Associated Conditions)

The Iris: Anatomy, Function, and Treatment

The Physics of Light and Color - Human Vision and Color Perception

What is Alexandria's Genesis? - All About Vision

Polycoria: Causes, Symptoms & Treatments - All About Vision

Eye color - Wikipedia

Anisocoria Information Mount Sinai - New York

Kootenai Vision Center in Libby, Montana