瞳孔大小可能是白内障手术中最重要的变异因素,除切口与缝合切口外,白内障手术的所有主要操作都在瞳孔平面或瞳孔平面后进行。故一个良好散大的瞳孔对白内障手术的安全和准确非常有利。遗憾的是,即使使用最强的散瞳剂,也不是所有的瞳孔都能散到适宜大小,瞳孔最大散开能力的变异常成为术前的难题,一旦术前瞳孔不能散大,医生必须在短暂的时间内找出原因,并决定如何改变手术步骤。作者认为只要第一次为病人作白内障手术评估时,作一个既客观又可靠的最大散瞳试 Pupil size may be the most important variation in cataract surgery, except for incisions and sutures, where all major operations for cataract surgery are performed after the pupil plane or pupil plane. Therefore, a good and wide pupil cataract surgery safety and accuracy is very favorable. Unfortunately, even with the strongest mydriatic agent, not all the pupils can be scattered to the appropriate size, the ability of the pupil to spread the variability often become a preoperative difficulty, once the preoperative pupil can not be dispersed, the doctor must be Find out why within a short time and decide how to change the procedure. The authors believe that as long as the first cataract surgery for patient assessment, as both an objective and reliable maximum mydriatic test