Knöbel H H, Demeler U
Ophthalmologica. 1981;183(3):117-21. doi: 10.1159/000309151.
In a case of keratotorus on both sides with extreme thinning of the cornea first a lamellar and in a second sitting a perforating keratoplasty was performed. Surgical approach and postoperative results are discussed.
在一例双侧圆锥角膜且角膜极度变薄的病例中，首先进行了板层角膜移植术，第二次手术时进行了穿透性角膜移植术。文中讨论了手术方法及术后结果。
