RT Journal Article
T1 Evaluation of repeatability and agreement of two optical biometers for intraocular lens power calculation
A1 Martínez Alberquilla, Irene
A1 Svensson, Saga
A1 Ruiz Alcocer, Javier
A1 Madrid Costa, David
A1 Dominguez-Vicent, Alberto
A1 Priya Venkataraman, Abinaya
AB The repeatability of two biometers (Lenstar-LS900 and Eyestar-900) to measure ocular parameters and intraocular lens (IOL) power calculation, and their agreement were evaluated. 134 eyes of 134 participants were measured thrice with each biometer. Axial length (AL), anterior chamber depth (ACD), lens thickness (LT) and keratometry (K) were evaluated. The IOL power was calculated using different formulas. The repeatability limit (RLimit), the mean differences (MD) and the limits of agreement (LoA) were calculated. The RLimits for all parameters were higher with Lenstar compared to Eyestar. RLimits were lower than 0.50 D except for Barrett Universal II (0.54 D) and Haigis (0.51 D) formulas with the Lenstar. Mean differences were lower than 0.01 mm for AL, ACD and LT, and lower than 0.03 D for K. MD ranged from 0 to 0.02 D for all formulas except for Barrett and Hill. When dividing the sample into subgroups (short, normal and long eyes), the MDs were similar for the IOL power and were lower than 0.03 D, except for the Barrett and Hill formulas. Both biometers provide repeatable biometry and IOL power calculations. The LoA interval for the IOL power calculation was between 0.75 and 1.50D, which was similar among the subgroups.
YR 2024
FD 2024-09-27
LK https://hdl.handle.net/20.500.14352/109699
UL https://hdl.handle.net/20.500.14352/109699
LA eng
NO Alberquilla, I.M., Svensson, S., Ruiz-Alcocer, J. et al. Evaluation of repeatability and agreement of two optical biometers for intraocular lens power calculation. Sci Rep 14, 22151 (2024). https://doi.org/10.1038/s41598-024-73206-0
NO Karolinska Institute
DS Docta Complutense
RD 10 abr 2025