Abstract
We report a case of arcus senilis affecting the accuracy of intraocular lens (IOL) power calculation using intraoperative aberrometry. There was a large difference in the predicted IOL power (1.50 diopters) between the IOL power calculation using preoperative optical biometry and intraoperative IOL power calculation using intraoperative aberrometry (Optiwave Refractive Analysis). After the arcus senilis was adjusted for by manually measuring the white-to-white distance intraoperatively and that new value was inputted into the intraoperative aberrometer, the measurement matched the preoperative measurements and confirmed the correct choice of IOL. To our knowledge, this is the first reported case of arcus senilis affecting intraoperative IOL power calculation.
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