Accuracy of Partial Coherence Interferometry in Intraocular Lens Power Calculation
2005
Purpose: To evaluate the accuracy and the influencing factors of partial coherence interferometry in intraocular lens (IOL) power calculation for cataract surgery. Methods: In 86 eyes of 69 patients who had undergone cataract surgery, we measured axial length using both IOLMaster and contact type ultrasonography, calculated the target refraction with SRK II formula and compared the result with the measured value after operation. We also evaluated the factors influencing the accuracy of the power calculation such as age, sex, type of cataract, severity of nucleosclerosis, corneal power, and preoperative refraction. Results: In IOLMaster and contact type ultrasonography, the mean axial lengths were 23.701.27 mm and 23.551.28 mm (p0.26D and 0.660.39D (p
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