Proplast implant in Tenon's capsule after excision of the eye.

Hitherto implants used after enucleation have generally been extruded because of infection or tissue rejection. Proplast, an inert alloplastic material prepared from a combination of Teflon fluorocarbon polymer and vitreous carbon fibres, is a grey felt-like material which, when wholly implanted, is invaded by fibrous tissue and not rejected. Hemispherical implants of Proplast have been used in sixteen cases, no rejection has occurred to date (18 months), and movement of the implant has been good. At operation, the obliques are sutured posterior to the implant so as to hold it forwards and increase movement. The rectus muscles are sutured anterior to the implant in cruciate fashion. Tenon's capsule and the conjunctiva are closed separately.