由于严重的角结膜病变(大多数是重症砂眼后期)所形成的实质性眼干燥症,在很久以前就被认为严重而不能治愈的眼病,即它不但能使患者失去工作能力,而且,过去虽有很多保守和手术治疗的尝试,亦只能暂时减轻患者的自觉症状,并不能改变失明的效果。自从1951年А.Б.Качнелъсон,В.М.φилатов.及В.Е。шевалев氏等首次创用腮腺 Severe corneal conjunctival lesions, most of which are severe post-traumatic eye dryness, have long been considered severe and incurable eye diseases, ie they not only disable patients, but also, in the past, There are many attempts at conservative treatment and surgical treatment which can only temporarily alleviate patients’ symptoms and can not change the effect of blindness. Since 1951 А.Б.Качнелъсон, В.М.φилатов. And В.Е. For the first time, шевалев parotid gland