The present disclosure relates to keratoprosthesis apparatuses comprising a flexible backplate and methods of manufacturing and implanting the new keratoprosthesis apparatuses. The keratoprosthesis apparatuses include a circular backplate composed, at least in part, of a titanium alloy. The circular backplate includes an annular rim portion having a central aperture extending therethrough. A plurality of tabs is positioned along the annular rim portion and extend radially inwardly into the aperture. A plurality of flexible appendages extends radially outwardly from the annular rim portion and is positioned along the annular rim portion at locations corresponding to the plurality of tabs.