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Complete cicatrization of the corneal surface may eventually develop ( shown ) .

最终可能会导致角膜表面的瘢痕愈合（如图所示）。

Corneal ulcers occur most often in patients who use extended-wear soft contact lenses .

角膜溃疡最常发生于长期使用软性角膜接触镜的病人。

Corneal ulcers are severe infections caused by bacteria , viruses , or fungi .

角膜溃疡是由细菌，病毒，或真菌造成的严重感染。

Fluorescein staining reveals the characteristic dendritic pattern of ulcers which represent areas of denuded corneal epithelium .

荧光素染色可发现特征性的树枝形状溃疡，染色区域的角膜上皮脱落。

Patients in whom appropriate therapy fails or corneal involvement develops should be referred to an ophthalmologist .

对于那些上述治疗方法失败或病变影响角膜的病人来说，应建议其至眼科医生处就诊。