<prompt> In patients with anterior uveitis, decrease in vision due to posterior segment involvement can occur because ofVisual floatersInflammatory disc edemaExudative retinal detachmentCME  <response>: Cystoid macular edema is a common cause of visual loss in patients with uveitis and may be observed in the setting of severe anterior or intermediate uveitis. Long-standing or recurrent macular edema can cause permanent loss of vision due to cystoid degeneration.- Lange Ophthalmology 