The most frequent complications include Cataract (secondary to the disease process and / or to corticosteroid treatment) Cystoid macular edema (the most common cause of decreased vision in patients with uveitis) Glaucoma (secondary to the disease process and / or to corticosteroid treatment) Retinal detachment Band keratopathy (calcium deposition in a band-like pattern across the cornea) Neovascularization of the retina, optic nerve, or iris Hypotony (an intraocular pressure that is too low to support the health of the eye) Diagnosis of Uveitis Slit-lamp examination Ophthalmoscopy after pupil dilation Uveitis should be suspected in any patient who has ocular ache, redness, photophobia, new onset or changing floaters, or decreased vision.