it can be a sign of a bigger problem if anisocoria just shows up or the size of your two pupils is suddenly different for no apparent reason. Coloboma: This happens when part of your eye doesn’t ...

Muscles in the iris (the colored part of the eye) can tighten around the pupil and temporarily constrict it. When the pupils are less than 2 millimeters (mm), they are considered miotic ...

There are two forms of heterochromia ... People with complete heterochromia have eyes that are completely different colors. For example, one eye may be green, and the other may be brown, blue ...

If you have type 1 diabetes, get your eyes checked within 5 years of your diagnosis and every year after that. You’ll need an exam ASAP if you’re diagnosed with type 2 diabetes. Have your eyes ...

In a nutshell: The vast majority of people have just one color in their eyes (not counting the black of their pupils). People with heterochromia have two. Heterochromia is extremely rare ...