A new surgical procedure to permanently change eye color is gaining traction in the U.S. But many ophthalmologists fear ...

Iris tattooing and implants can give you a whole new look, but experts urge caution due to complication risks.

A new study has found that blood vessels in the retina may hold early clues about a person’s risk of developing dementia.

Changes in the characteristics of your pupils (the shape, size, and reactivity of the pupils) can provide clues about your ...