1. Allergies
  2. Blepharitis (eyelid inflammation)
  3. Blocked tear duct
  4. Chalazion (a type of cyst on your eyelid)
  5. Cluster headache
  6. Contact lens problem
  7. Corneal abrasion (scratch): First aid
  8. Dry eyes (decreased production of tears)
  9. Ectropion (outwardly turned eyelid)
  10. Entropion (inwardly turned eyelid)
  11. Foreign object in the eye: First aid
  12. Glaucoma (group of conditions that damage the optic nerve)
  13. Injury, such as from a blunt trauma or burn
  14. Iritis (inflammation of the colored part of the eye)
  15. Keratitis (inflammation of the cornea)
  16. Optic neuritis (inflammation of the optic nerve)
  17. Pink eye (conjunctivitis)
  18. Scleritis (inflammation of the white part of the eye)
  19. Sty
  20. Uveitis (inflammation of the middle layer of the eye)

Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.

Feb. 25, 2016