All of us at least several times in the life has experience of redness in eyes. Most of the time it is treated with out any difficulty and sometimes settled spontaneously.Red eye may cause as a result of a simple pathology as well as dangerous illness.Most common cause of redness in eyes are conjunctivitis where as acute glaucoma, irritis, temporal arteritis scaring injury foreign body are dangerous causes.Red eye is caused by swollen or dilated blood vessels on the sclera, the white outer surface of the eye. If you think your red eyes could be an emergency,

DD- Conjunctivitis, FB, Acute glaucoma , Uveitis, HSK, Injury, Orbital cellulitis , Drugs , thyroid, SN Arthritis, Clustered , contact lenses

It is very important take the history which is always help toward the diagnosis. If red eye is associated with

  • Pain in one eye
  • ±Nausea and vomiting
  • Impaired vision
  • Haloes around lights
  • Hazy cornea
  • Cilliary congestion/ cornial edema
  • Fixed semidilated pupil
  • Eye feels hard

Most probably it may be acute angle glaucoma. Urgent ophthalmic referral is essential since emergency treatment is necessary to preserve eyesight. If immediate specialist attention is unavailable, treatment can be initiated with acetazolamide (Diamox) 500 mg IV and pilocarpine 4% drops to constrict the pupil.

If the patients red eye associated with

  • Eye redness, esp. around edge of iris
  • Eye discomfort or pain
  • Increased tearing
  • Blurred vision
  • Sensitivity to light
  • Floaters in the field of vision
  • Small pupil may irregular
  • Cilliary congesion

Most probably it is Iritis and management involves finding the underlying cause. Treatment includes pupil dilatation with atropine drops and topical steroids to suppress inflammation. Systemic corticosteroids may be necessary. The prognosis of anterior uveitis is good if treatment and follow-up are maintained, but recurrence is likely.

Posterior uveitis (choroiditis) may involve the retina and vitreous. Blurred vision and floating opacities in the visual field may be the only symptoms. Pain is not a feature. Referral to detect the causation and for treatment is essential.


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