eye disorders
Interstitial Keratitis
Key Points
Interstitial keratitis, which is rare in the US, involves chronic inflammation of the middle corneal layers. Findings include pain, tearing, decreased visual acuity, and often orange-red discoloration of the cornea and anterior uveitis. Test patients for syphilis, Lyme disease, and Epstein-Barr virus infection. Treatment is by an ophthalmologist; sometimes topical corticosteroids are prescribed. 