High Agreement between Barrett Universal II Calculations with and without Utilization of Optional Biometry Parameters

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Vega , Y , Gershoni , A , Achiron , A , Tuuminen , R , Weinberger , Y , Livny , E , Nahum , Y , Bahar , I & Elbaz , U 2021 , ' High Agreement between Barrett Universal II Calculations with and without Utilization of Optional Biometry Parameters ' , Journal of clinical medicine , vol. 10 , no. 3 , 542 . https://doi.org/10.3390/jcm10030542

Title: High Agreement between Barrett Universal II Calculations with and without Utilization of Optional Biometry Parameters
Author: Vega, Yakov; Gershoni, Assaf; Achiron, Asaf; Tuuminen, Raimo; Weinberger, Yehonatan; Livny, Eitan; Nahum, Yoav; Bahar, Irit; Elbaz, Uri
Contributor organization: Medicum
HUS Head and Neck Center
University of Helsinki
Kymsote – Social and Health Services in Kymenlaakso
Date: 2021-02
Language: eng
Number of pages: 7
Belongs to series: Journal of clinical medicine
ISSN: 2077-0383
DOI: https://doi.org/10.3390/jcm10030542
URI: http://hdl.handle.net/10138/328259
Abstract: Purpose: To examine the contribution of anterior chamber depth (ACD), lens thickness (LT), and white-to-white (WTW) measurements to intraocular lens (IOL) power calculations using the Barrett Universal II (BUII) formula. Methods: Measurements taken with the IOLMaster 700 (Carl Zeiss, Meditec AG, Jena, Germany) swept-source biometry of 501 right eyes of 501 consecutive patients undergoing cataract extraction surgery between January 2019 and March 2020 were reviewed. IOL power was calculated using the BUII formula, first through the inclusion of all measured variables and then by using partial biometry data. For each calculation method, the IOL power targeting emmetropia was recorded and compared for the whole cohort and stratified by axial length (AL) of the measured eye. Results: The mean IOL power calculated for the entire cohort using all available parameters was 19.50 +/- 5.11 diopters (D). When comparing it to the results obtained by partial biometry data, the mean absolute difference ranged from 0.05 to 0.14 D; p <0.001. The optional variables (ACD, LT, WTW) had the least effect in long eyes (AL >= 26 mm; mean absolute difference ranging from 0.02 to 0.07 D; p <0.001), while the greatest effect in short eyes (AL
Subject: Barrett Universal II formula
intraocular lens calculation
axial length
cataract surgery
3126 Surgery, anesthesiology, intensive care, radiology
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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