Red eye is a more
general term that includes not only pinkeye but also many other problems that
cause redness on or around the eye, not just the lining. Pinkeye is the main
cause of red eye. Red eye has other causes, including:
- Foreign bodies, such as metal or insects. For
more information, see the topic
Objects in the Eye.
- Scrapes, sores, or
injury to or infection of deeper parts of the eye (for example, uveitis,
iritis, or keratitis). For more information, see the topic
- Glaucoma. For more information, see the topics
Eye Problems, Noninjury and
- Infection of the eye socket and
areas around the eye. For more information, see the topic
Eye Problems, Noninjury.
Swollen, red eyelids may also be caused by
styes, a lump called a
chalazion, inflammation of the eyelid (blepharitis), or lack of tears (dry eyes). For more
information, see the topics
Styes and Chalazia and
Eyelid Problems (Blepharitis).
Check your symptoms to decide if and when you should see a