The stem cells of the basal layer of the limbal epithelium have function of cell renewal and tissue regeneration, and ocular surface disorders result from lack of the stem cells.
角膜缘部上皮基底层的干细胞具有细胞更新和组织再生的功能，而眼部表面疾病则是干细胞缺乏的结果。
Conclusions Diabetes can cause lacrimal gland, corneal and conjunctival tissue damage, which is the pathological foundation of the diabetic ocular surface disease.
结论糖尿病导致的泪腺、角膜、结膜等眼组织破坏是糖尿病性眼表病变的病理基础。
Methods Ocular surface autografting was performed on 16 eyes with donor tissue either from healthy quadrants of the same eye or from the contralateral eye.
方法取患眼健康象限或对侧眼浅层角膜或角结膜组织为供体，为16只瞳孔区角膜斑翳或因烧伤发生自溶性溃疡的角膜作自体眼表移植术。
应用推荐