The US FDA has approved a synthetic tissue substitute for the eye that will address the worldwide shortage of donors. The EverPatch from Israel’s CorNeat Vision (see here previously) is made of a polymer that stimulates the cells to accept it and reinforce the sclera (outer layer of the eyeball).
https://nocamels.com/2023/06/fda-okays-worlds-first-non-degradable-synthetic-eye-tissue/