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Standard method of analyzing refractive data sufficient

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Applying the standard method of analyzing refractive data allows a more accurate evaluation of methods or formulas used to calculate IOL power in cataract surgery, according to one surgeon.

Stephen B. Kaye, MD, at the Royal Liverpool University Hospital in England, compared the actual postoperative refraction to the intended postoperative refraction before and after removal of surgically induced changes in keratometry. The analysis showed how surgically induced changes in refractive components can be incorporated into hypothesis testing when comparing intended and actual postop refractions.

The study is published in the Journal of Cataract & Refractive Surgery.