丝状角膜炎是角膜的一种慢性疾患,其特征是有一个或数个丝状物附着于角膜上皮上。丝状物主要由粘液和上皮细胞组成,大小不一、开始较小以后变大。丝状物下的角膜上皮可形成一个灰色的上皮下粒状混浊。丝状角膜炎的确切病因不太明瞭,症状有异 Filamentitis is a chronic condition of the cornea characterized by one or more filaments attached to the corneal epithelium. Filaments mainly composed of mucus and epithelial cells, different sizes, the smaller the beginning of the larger. The corneal epithelium under the filaments forms a gray, sub-epithelial, granulometric cloudiness. The exact cause of filamentous keratitis is not clear, the symptoms are different