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Intrastromal corneal implant A, Polymethyl methacrylate corneal implant ring placed at the corneal stroma. B, The hyporeflective space of the corneal implant ring appears in two-thirds corneal depth. Adjacent areas of high reflectivity correspond with “stretching” and altering normal corneal lamellar architecture and spacing. Folding of the cornea seen in the left upper-hand corner is a scanning artifact.
