无论是拟行传统手术，或是自内障摘出术．术前例行B超检查是必要的，它为了解眼内诸多病理情况提供了客观依据，如网脱、玻璃体出血、机化物、眼内肿瘤等。而人工晶体植入术前眼轴超声测量提供植入晶体度数的计算公式参数，更是不可缺少的一项检查。资料和方法本文对1995年4月 Either traditional surgery, or from the cataract surgery. Preoperative routine B-ultrasound is necessary, it is to understand the many intraocular pathological conditions provide an objective basis, such as net off, vitreous hemorrhage, machine compounds, intraocular tumors. The intraocular lens implantation before the ocular axis ultrasound measurement to provide the calculation of implantation degree of crystal formula parameters, but also an indispensable examination. Information and Methods This article was published in April 1995