This paper introduced the evolution of keratoprosthesis(KPs).It is the new hope for the patients who can not receive penetrating keratoplasty because of their keratopathy or disadvantageous condition.

• 本文较详尽地介绍了人工角膜的研究进展,人工角膜的出现为那些由于所患角膜疾病不能应用穿透型角膜移植术或者缺乏条件而无法施行角膜移植术的患者带来了希望。