| | Conditions & Treatments | Eye & Vision Disorders What is the most uncommon eye colour? The most uncommon eye color is green, occurring in only 2% of the world's population. Green eyes are typically found in individuals of Northern European descent. Eye & Vision Disorders - Related Articles Nerve Drusen Treatment Where can one purchase Similasan eye drops? About Contact Lenses for Seniors Problems With Lined Bifocals Eye Rust Ring Removal Tool Eye Exercises for Eyes That Turn Inward Is an injury to the eye serious?