Top 10 Differential Causes Of Red Eye| Treatment of Red Eye

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Red eye is a common problem that can affect one or both eyes. The redness associated with red eye comes from blood vessels on the surface of your eye that are expanded (dilated) due to some form of irritation or infection.

CAUSES:
Allergies
Blepharitis (eyelid inflammation)
Chalazion (a type of cyst on your eyelid)
Complication from a recent eye surgery
Contact lens complication
Corneal abrasion (scratch): First aid
Corneal herpetic infections (herpes)
Corneal ulcer
Dry eyes (decreased production of tears)
Ectropion (outwardly turned eyelid)
Entropion (inwardly turned eyelid)
Episcleritis (inflammation of the membrane covering the white part of the eye)
Eyedrops side effect or complication
Foreign object in the eye: First aid
Glaucoma (group of conditions that damage the optic nerve)
Hay fever (allergic rhinitis)
Injury, such as from a blunt trauma or burn
Iritis (inflammation of the colored part of the eye)
Keratitis (inflammation of the cornea)
Orbital cellulitis (severe infection of tissues around the eye)
Pink eye (conjunctivitis)
Scleritis (inflammation of the white part of the eye)
Sty (a red, painful lump near the edge of your eyelid)
Subconjunctival hemorrhage (broken blood vessel in eye)
Uveitis (inflammation of the middle layer of the eye)

Treatment include antibiotics and topical antihistamines usually.