????? ???????? ???? ?? ???????? ?? ?????? ??????? ?????? ?????? ??????? ?????? ??????? ?? ????? ?????? ????????.A prosthetic eye, an example of a biomedical engineering application of mechanical engineering and biocompatible components to ophthalmology.????? ?????: ?? ???? ?? ?????? ??????? ??? ?????? ?????? ??? ??????? ?????? ?? ???????? ?????????