Compare the Accuracy of IOL Power Calculations Using Ultrasound Biometry and Partial Coherence Laser Interferometry based Optical Biometry
Keywords:AL Scan, Ultrasound biometry, IOL
Aims: To compare the accuracy of IOL power calculations using ultrasound biometry and partial coherence
laser interferometry based optical biometry
Material and Methods: All cases of cataract with no other pathology involved presenting to, ophthalmology
department at RNT Medical College and Hospital, Udaipur from august 2018 to December 2019.The patients
are divided into two group 1st group IOL power calculated by optical biometer and 2nd group IOL power
calculated by ultrasound biometry.
Results: Significant p-value (0.01) was observed between Group 1 and Group 2 among pre operative and
post-operative VS patients.
Conclusion: optical biometry with the AL scan (Nidek) proved to be slightly more accurate than ultrasound
biometry for IOL power calculation
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