最近 ,我们遇到 4例因戴ＯＫ镜致角膜溃疡 ,现报告如下。1　病例介绍患者男性 ,10岁。戴ＯＫ镜半年 ,右眼疼痛伴视力下降7天。眼部检查 :右眼视力手动 ,睫状充血 (+++) ,裂隙灯下见角膜正中偏鼻侧有一直径 5ｍｍ圆形深层基质混浊 ,溃疡中央厚度约为周边透明角膜的 1/ 3。溃疡周 Recently, we encountered 4 cases of corneal ulcers due to wear OK lens, are as follows. 1 case description Male patient, 10 years old. Wearing OK lens for six months, right eye pain with decreased visual acuity for 7 days. Eye examination: Right eye visual acuity manual, ciliary hyperemia (+++), see the middle of the cornea under the slit lamp with a diameter of 5 mm diameter round deep matrix opacity, the central thickness of the ulcer is about 1/3 of the peripheral transparent cornea. Ulcer weeks