用于计算人工晶状体度数的SRK II公式。
SRK II formula in the calculation of intraocular lens power.
作者信息
Dang M S, Raj P P
机构信息
Department of Ophthalmology, Memorial Hospital, Darlington.
出版信息
Br J Ophthalmol. 1989 Oct;73(10):823-6. doi: 10.1136/bjo.73.10.823.
Abstract
We studied 400 eyes which underwent cataract extraction with posterior chamber intraocular lens (IOL) implantation to compare the predictive accuracy of various IOL power calculation formulae. The new Sanders-Retzlaff-Kraff (SRK) II formula was more accurate than the original SRK and Binkhorst II formulae. Modification of the A constants used in the SRK II formula to make it 'surgeon specific' improved its performance further; 80% of the eyes had less than 1 dioptre error and only one eye (0.3%) had an error of more than 3 dioptres.
摘要
我们研究了400只接受白内障摘除并植入后房型人工晶状体（IOL）的眼睛，以比较各种IOL屈光度计算公式的预测准确性。新的桑德斯-雷茨拉夫-克拉夫（SRK）II公式比原始的SRK公式和宾克霍斯特II公式更准确。对SRK II公式中使用的A常数进行修改以使其“针对特定外科医生”，进一步提高了其性能；80%的眼睛误差小于1屈光度，只有一只眼睛（0.3%）误差超过3屈光度。
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