Narrow angle glaucoma occurs when fluid cannot drain from the eye as it should, which increases pressure in the eye and on the optic nerve.

Narrow angles in eyes are relatively uncommon, occurring in anywhere from 3.8–36.9% of the population. However, the prevalence varies by age and ethnic group, ...

Wild cats showcase a stunning diversity of eye colors, proving a mystery for researchers because most wild species are known to have narrow eye color schemes (usually black, brown or yellow).

Signs of the condition include narrow eye openings, droopy eyelids and folds of skin on the inner part of the eyes going from the bottom to the upper corner. Blepharophimosis syndrome can also ...