An iris coloboma can be simple, partial, or complete. In a simple coloboma of the iris, one or more anatomical layers of the iris are absent in the affected area. If the defect includes the pupillary ...

It's easy to think of pupils as simple holes that widen in the dark and shrink in the light. But if you look across the animal kingdom, you'll see a variety of pupil shapes: vertical slits in cats and ...

Frog and toad pupils come in quite the array, from slits to circles. But overall, there are seven main shapes of these animals’ peepholes, researchers report in the Aug. 25 Proceedings of the Royal ...

While the eyes may be a window into one's soul, new research led by scientists at the University of California, Berkeley, suggests that the pupils could also reveal whether one is a hunter or hunted.

Spot the fox, wolf, sheep and…cuttlefish. Jim Champion (sheep); R'lyeh (wolf); Michele Lamberti (fox); William Warby (cuttlefish), CC BY-SA Wolves and foxes are closely related and share many of the ...

Hello all, it’s Manasee Wagh, service and news editor at PopMech. Years ago, I had a cat named Cyrus. I used to stare at him staring at me, and wonder what he was thinking. He had beautiful gold-green ...

A 10-month-old child presents to the eye clinic with an abnormal spot in the left eye. The parents had noticed this abnormality since birth, stating that the child's pupil looked like it was oval. The ...

Berkeley -- While the eyes may be a window into one's soul, new research led by scientists at the University of California, Berkeley, suggests that the pupils could also reveal whether one is a hunter ...