This photo was featured on www.reddit.com where people appeared to be curious about the condition of the pictured woman’s iris. A Reddit user called it “heterochromia iridum” and said “I have a form of that where most of my inner iris is green but there’s a small ring of blue encompassing it.”
Heterochromia iridis/iridum is a condition characterized by abnormalities of the iris (the colored part of the eye). In people affected by complete heterochromia, the iris of one eye is a different color than the iris of the other eye. Sectoral, or, partial heterochromia occurs when areas of the same iris are different in color. The condition is fairly rare and is not associated with any other significant symptoms or problems – except being especially captivating to look at and very unique!