Medically reviewed by Andrew Greenberg, MD A cataract is a spot in your eye where the clear lens, the part that focuses light, becomes cloudy, making your vision blurry or dim. Cataracts develop ...

Medically reviewed by Andrew Greenberg, MD Dilated pupils (mydriasis) occur when the pupils open larger than usual. This normally happens in darker lighting to allow more light into the eye, but ...

The iris, for all its intricacies, gets the attention of us eye doctors only when it causes problems for our patients.As a ...