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胬肉是最常见的眼病之一。胬肉的发生与风尘、烟雾、干燥、紫外线等因素有关 ,尤其是紫外线照射被认为是极重要的致病原因。目前认为发病机制可能是紫外线或其它环境因素造成鼻、颞侧角膜缘干细胞损伤 ,导致干细胞屏障功能被破坏 ,引起结模下纤维组织增生长入角膜〔1〕。此外 ,
Pterygium is one of the most common eye diseases. Pterygium and the occurrence of dust, smoke, dry, UV and other factors, especially UV irradiation is considered to be extremely important cause of the disease. Now that the pathogenesis may be caused by ultraviolet light or other environmental factors nasal and temporal limbal limbal stem cell damage, resulting in damage to the stem cell barrier function, causing the knot under the growth of fibrous tissue into the cornea 〔1〕. In addition,