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上睑下垂矫正术目的是将下垂状态的上睑恢复到正常位置,手术方式繁多,一般而论,提上睑肌缩短术是比较合乎生理性的手术。但是,由于提上睑肌缩短量术前难以确定,术中往往需反复试验才能得到理想的眼睑位置,这样既增加了病人的痛苦,又延长了手术时间。我们对19例先天性上睑下垂病人,利用术前测得的上睑缘到6点钟角膜缘距离,通过公式计算能较准确求出术中提上睑肌缩短量,使术者在术前就心中有数,显著地提高了一次手术成功率。
The purpose of ptosis correction is to restore the eyelid in the drooping state to the normal position. There are many surgical procedures. In general, levator muscle shortening is more physiologic surgery. However, due to the preoperative determination of levator muscle shortening is difficult to determine, often require repeated testing in order to get the desired position of the eyelids, which will not only increase the patient’s pain, but also extend the operation time. 19 cases of patients with congenital ptosis, the use of preoperative measurement of the eyelid to the 6 o’clock limbal distance, calculated by the formula can be more accurately find the amount of intraoperative levator muscle shortening, so that surgery in surgery Prior to the countless, a significant increase in the success rate of surgery.