<prompt> In patients with anterior uveitis, decrease in vision due to posterior segment involvement can occur because of -Visual floatersInflammatory disc edemaExudative retinal detachmentCME  <response>: Posterior involvement is changes in the vitreous and retina: Exudates and inflammatory cells may be seen in the anterior vitreous after an attack of acute iridocyclitis. Cystoid macular edemaCME may occur, specially in the chronic iridocyclitis. 