Causes
By Mayo Clinic staff- Allergies
- Blepharitis
- Corneal abrasion
- Dry eyes
- Ectropion
- Entropion
- Episcleritis (inflammation of the membrane covering the white part of the eye)
- Foreign object in eye
- Glaucoma
- Hay fever
- Injury
- Iritis (inflammation of the colored part of the eye)
- Keratitis (inflammation of the cornea)
- Pink eye (conjunctivitis)
- Scleritis (inflammation of the white part of the eye)
- Sty
- Subconjunctival hemorrhage (broken blood vessel in eye)
- Uveitis
Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.
References
- Jacobs DS. Evaluation of the red eye. http://www.uptodate.com/home/index.html. Accessed Sept. 3, 2010.
- Koby M. Conjunctivitis. In: Ferri FF. Ferri's Clinical Advisor 2011. Philadelphia, Pa.: Mosby; 2010. http://www.mdconsult.com/book/player/book.do?method=display&type=aboutPage&decorator=header&eid=4-u1.0-B978-0-323-05610-6..C2009-0-38600-6--TOP&isbn=978-0-323-05610-6&uniq=210978719. Accessed Sept. 3, 2010.

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