Effect of pupillary dilation on ocular biometry and intraocular lens power calculation: prospective cohort study
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The authors aimed to investigate how pupillary dilation affects ocular biometry and intraocular lens (IOL) power calculations in cataract surgery patients. They found that dilation caused significant biometric changes and a small myopic shift in prediction errors for IOL power calculations, although the overall predictive accuracy of modern IOL formulas remained unaffected. The study suggests that while pupillary dilation influences some measurements, it does not substantially alter the reliability of IOL power predictions.
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