Uveitis is an inflammation of the inside of the eye. Unlike simple conjunctivitis, it typically combines pain, marked light sensitivity (photophobia) and reduced vision — three signs that call for a prompt consultation.
The different forms
Anterior uveitis (iris and ciliary body) is the most common: red, painful eye. Intermediate and posterior forms (vitreous, retina, choroid) present more with floaters and reduced vision, sometimes without redness.
Causes
In about half of cases, no cause is found. Otherwise: inflammatory diseases (spondyloarthritis and HLA-B27, sarcoidosis, Behçet's disease…) or infections (herpes, toxoplasmosis, tuberculosis…). Depending on the picture, an aetiological work-up is prescribed, in coordination with an internist if necessary.
Treatment
Anterior uveitis is treated with corticosteroid eye drops in tapering doses and dilating drops that relieve pain and prevent iris adhesions. Severe or posterior forms require systemic treatment. Treating the cause, when identified, prevents recurrences.
Frequently asked questions
How to tell it apart from conjunctivitis?
Conjunctivitis itches and makes the eyes sticky but causes neither real pain nor loss of vision. Deep pain, photophobia or blurred vision point to uveitis: the slit-lamp examination makes the difference.
Can uveitis recur?
Yes, it is common — particularly in HLA-B27 positive patients. Each recurrence warrants a prompt consultation: early treatment shortens the flare and limits complications (adhesions, glaucoma, cataract).
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