1. Allergies
  2. Blepharitis (which is eyelid inflammation)
  3. Chalazion or stye, which comes from inflammation in the glands of your eyelid
  4. Cluster headache
  5. Complication of eye surgery
  6. Contact lens problem
  7. Corneal abrasion (scratch): First aid
  8. Corneal herpetic infection or herpes
  9. Dry eyes (caused by decreased production of tears)
  10. Ectropion (a condition in which the eyelid turns outward)
  11. Entropion (a condition in which the eyelid turns inward)
  12. Eyelid infection
  13. Foreign object in the eye: First aid
  14. Glaucoma (which is a group of conditions that damage the optic nerve)
  15. Injury, such as from a blunt trauma or a burn
  16. Iritis (which is inflammation of the colored part of the eye)
  17. Keratitis (which is inflammation of the cornea)
  18. Optic neuritis (which is inflammation of the optic nerve)
  19. Pink eye (conjunctivitis)
  20. Scleritis (which is inflammation of the white part of the eye)
  21. Stye (sty) (a red, painful lump near the edge of your eyelid)
  22. Uveitis (which is 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.

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March 03, 2023