论文部分内容阅读
角膜接触镜是玻璃体手术中不可缺少的重要器械，其使用效果直接影响着手术操作及手术预后。当术中需观察眼底周边部或处理玻璃体基底部时，需使用不同度数的棱形角膜接触镜（以下简称为棱镜）［１］，但目前广泛应用的棱镜均存在如下缺点：①体积大、重量大；②靠近棱镜底...
Contact lens is an indispensable and important instrument in vitreous surgery. The use of it directly affects the operation and prognosis. Prism contact lenses (hereinafter referred to as prisms) [1] are used when the periphery of the fundus or the basal part of the vitreous is to be observed during surgery. However, the widely used prisms have the following disadvantages: (1) Weight; ② near the prism bottom ...