keratoprosthesis

noun
ker·​a·​to·​pros·​the·​sis | \ ˌker-ət-ō-präs-ˈthē-səs, -ˈpräs-thə- How to pronounce keratoprosthesis (audio) \
plural keratoprostheses\ -​ˌsēz How to pronounce keratoprostheses (audio) \

Medical Definition of keratoprosthesis

: a plastic replacement for an opacified inner part of a cornea