在建筑行业和日常生活中,碱性物质灼伤较为常见,灼伤者多为生产操作时不慎将液体或固体勿入眼内所致。碱与组织接触后,立即与组织内蛋白质作用,变成碱性蛋白质化合物,同时与脂肪起皂化作用。使组织坏死、软化,并可迅速渗入深部,甚至到达眼球内,对眼内组织,特别是虹膜睫状体和晶体造成严重破坏。 我院自1996～1997年间,对Ⅱ度以上碱性烧伤采用地塞米松加维 In the construction industry and daily life, the burn of alkaline substances is more common. Most of the burns are caused by inadvertent liquid or solid in the eyes during the production operation. Alkali and tissue contact, immediately with the role of protein in the organization, into alkaline protein compounds, while saponification with fat. The tissue necrosis, softening, and can quickly penetrate into the deep, or even reach the eye, the eye tissue, especially the iris ciliary body and crystal cause serious damage. In our hospital from 1996 to 1997, dexamethasone plus dimension was used for grade Ⅱ or higher alkaline burn