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翼状胬肉是眼科常见疾病之一,紫外线、沙、尘、干燥气候等慢性炎症刺激作用,使纤维组织变性,角膜前弹力层损伤激发上皮变性,结缔组织增生,长入已变性的角膜中形成胬肉,此外受损的干细胞还可以释放血管增殖因子,加速胬肉的形成。同时翼状胬肉的发生和复发与存在于角膜缘上皮的干
Pterygium is one of the common ophthalmological diseases, ultraviolet, sand, dust, dry climate and other chronic inflammatory stimuli, the degeneration of fibrous tissue, anterior corneal stretch injury induced by epithelial degeneration, connective tissue hyperplasia, grew into the degeneration of the cornea formed Pterygium, in addition to damaged stem cells can release vascular proliferation factor, accelerate the formation of pterygium. At the same time, the occurrence and recurrence of pterygium with the presence of limbal epithelium dry