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    Intraoperative aberrometry can help improve refractive results

    Aphakic and pseudophakic readings both provide useful information


    Dr. Wiley and Shamik Bafna, MD, conducted a study in which they wanted to determine the ability of pseudophakic readings to predict postoperative manifest refraction, determine the relative usefulness of pseudophakic measurements in predicting manifest refractions, and determine the value of surgical corrections on outlier readings that differ from aphakic intraoperative predictions.

    In this study, they used the Optiwave Refractive Analysis (ORA) System (WaveTec Vision). They retrospectively analyzed 50 consecutive eyes that underwent cataract surgery during a 2-month period using the intraoperative aphakic and pseudophakic readings obtained and then compared these readings with each other and with the postoperative manifest refraction. They also analyzed the pseudophakic outliers to determine if immediate surgical intervention would have improved refractive outcomes, Dr. Wiley explained.

    He said he likes the Optiwave system because of the instrument’s ability to refract the eye in phakic, aphakic, and pseudophakic states during cataract surgery. The system software helps in IOL power selection and recommends appropriate positioning of toric IOLs before and after implantation.

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