"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

Heterochromia refers to a harmless genetic anomaly resulting from an uneven distribution of pigment within one or both eyes.

MIT engineers have made a breakthrough in this area—they’ve developed a method to grow muscle tissue that contracts in ...

The middle layer of the eye, known as the uvea, becomes inflamed when someone has eye inflammation or uveitis.