Main Outcome Measures The time of reaching a confluent sheet of CE on DM/ stroma, three-dimensional structure and ultrastructure of tissue engineering corneal donor.

• 主要指标角膜内皮细胞在脱水保存角膜基质/后弹力层载体上形成单层时间和生长特性,组织工程化角膜内皮细胞移植膜的三维结构和超微结构。