眼外伤是主要致盲原因之一，尤其是单眼盲，眼外伤居首位，常见的致伤物有石头、木棒、玻璃瓶、铁屑、拳头、玩具枪弹，还有鞭炮等爆炸品，受伤后角膜及房水中营养成分在24～72小时已显著降低。至少持续1～2周，房水和角膜基质中胶原酶活性增高，故治疗上往往采用综合治疗。几 Eye trauma is one of the main causes of blindness, especially blind eyes, eye injuries in the first place, common injury items are stones, sticks, glass bottles, iron filings, fists, toy bullets, as well as firecrackers and other explosives, After corneal injury and aqueous humor nutrients in 24 to 72 hours has been significantly reduced. At least for 1 to 2 weeks, aqueous humor and corneal stroma collagenase activity increased, it is often treated with comprehensive treatment. a few