结论像差随屈光度数的增大而增大，散光度数对高阶像差有明显的影响。
Conclusion aberrations increase with an increase of refractive power in diopters and astigmatism is significantly related to the high aberrations.
与传统角巩膜缘切口比较，术中眼压维持稳定，术后手术性角膜散光度数小。
Tunnel incision can make the surgery process easier and induce corneal astigmatism smaller.
对全部术眼分别应用显然验光法和角膜曲率法观察术后1周、1、2、3个月球镜和散光度数的变化。
All patients were refracted and examined with keratometry preoperatively, 1 week, 1. month, 2 months and 3 months postoperatively.
目的：比较穿透性角膜移植术与深板层角膜内皮移植术在术后免疫排斥反应、内皮细胞及散光度数的差异。
PURPOSE: To compare the postoperative graft rejection, endothelial cell density and astigmatism of deep lamellar keratoplasty (DLK) with penetrating keratoplasty (PK) on rabbits.
提出一种眼镜度数测量方法，利用位置探测器和3条光线实现对棱镜度、球镜度和散光度等镜片参数的测量。
A position detector and 3 beams of ray are used to measure the prismatic, spherical and astigmatic powers.
提出一种眼镜度数测量方法，利用位置探测器和3条光线实现对棱镜度、球镜度和散光度等镜片参数的测量。
A position detector and 3 beams of ray are used to measure the prismatic, spherical and astigmatic powers.
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