<prompt> Answer this question truthfullyWhat does a physical exam for acute retinal necrosis entail?  <response>: <reason> Physical examination for acute retinal necrosis is remarkable for the following: Erythema and hyperemia of the retina White and yellow necrotic lesions in the retina Purulent exudate in the periphery of the retina Opaque vitreous from the coalescence of necrotic tissue Anterior chamber inflammation Vitreous inflammation Scleritis 