Anterior proliferative vitreoretinopathy (PVR). A, Traction of the vitreous base on the peripheral retina (arrow) and ciliary body epithelium (asterisks). B, Incorporation of peripheral retinal (arrow) and ciliary body tissue (arrowheads) into the vitreous base. C, A condensed vitreous base (asterisk), adherent retina (arrow), and RPE hyperplasia (arrowhead).