Anterior Uveitis – Iritis
Aetiology - often unknown
- auto immune disorders e.g. Stills’ Disease or ulcerative colitis
- secondary to corneal lesions
- tuberculosis, sarcoidosis
Acute IritisSymptoms- red, painful eye
- vision often reduced
-
Signs: miosis (pupil may be irregular due to adhesions to the lens)
- cells visible in anterior chamber
- deposits of white cells on corneal endothelium
Therapy- local steroids (Prednisone drop)
- mydriatics (atropine 1% drops)
Complications
- secondary glaucoma
- cataract
- vision loss
Chronic IritisIs often insidious but the examination demonstrates the features as above but the eye is white.
Chorio–RetinitisToxoplasmosis Retinitis –usually a focal chorio-retinal scar, frequently at the macula.
Toxocara Canis Retinitis – ocular manifestation of visceral larva migrans – nematode larva. A peripheral retinal granuloma may be seen associated with vitreo-retinal fibrosis and traction.
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