Fig. 25
From: Ocular ultrasonography focused on the posterior eye segment: what radiologists should know
Post-surgical conditions. a Patient with pseudophakia with an intraocular lens. Note the reverberation artefact produced by the intraocular lens (arrows). b US appearance of scleral buckling (arrows) used to treat retinal detachment (RD). Note the absence of the lens in this aphakic patient (arrowhead). c US showing silicone oil injection and scleral buckling, with artefacts produced by the silicone. d Reverberation artefact caused by retention of a small volume of perfluorocarbon liquid in the vitreous cavity (arrows) in a man treated for RD