Red, Itchy, swollen eyelids are often due to a condition called blepharitis. Blepharitis tends to be a chronic condition due to thick eyelid mucous gland production that sticks to the bases of the eyelashes. This adherent mucous can allow bacteria to overgrow and also attract and retain allergens. The standard...

Choroidal nevus is the fancy term for a freckle in the back of the eye.

This lesion arises from a collection of cells that make pigment in the choroid, which lines the back of the retina and supplies the retina with nutrients. These choroidal nevi (plural of nevus) are usually grayish in color and develop in...