title: Biconcave contact lens for vitreous surgery.
abstract: I designed a biconcave floating contact lens used for trans pars plana vitreous surgery. The lens uses the prismatic power of strong optical lenses to bring into view portions of the fundus that otherwise would be difficult to see.
mesh_terms: D006801:Humans; D007909:Lenses / Q000592:standards*; D008689:Methacrylates; D009885:Ophthalmology / Q000295:instrumentation*; D014822:Vitreous Body / Q000601:surgery*
chemical_list: D008689:Methacrylates