Why are my eyes red?

Most of us have experienced bloodshot or red eyes. Hay fever, cigarette smoke and swimming in a chlorinated pool are a few things that can cause red eyes.

Bloodshot eyes can look gross, with pink or red streaks in the sclera, which is usually white. They can also feel uncomfortable, itchy or watery. The redness happens when tiny blood vessels under the eye’s surface get dilated or inflamed. This is usually a response to external irritation.

Many cases of red eye are harmless and respond well to home or over-the-counter treatments. The best thing you can do is find what caused the red eye, and avoid it. But some causes of red eye require medical diagnosis and prescription medication.
So, if you eye is red or bloodshot, what should you do? What can you do at home, and when should you see your eye doctor?

Learn more from the American Academy of Ophthalmology