When the small blood vessels in the membrane (conjunctiva) swell up, it causes irritation, which then causes the white part of the eyes to appear reddish. Causes of Red Eye The condition is caused ...

Eyes turn red and uncomfortable when something gets ... which is the transparent tissue over the white part of the eyes.

Red eyes can be a symptom of uveitis ... The uvea is the middle layer. It's between the white part of your eye — called the sclera — and the inner layers of your eye. Your uvea contains ...