Article
Intraocular lens power calculation formula accuracy: Comparison of 12 formulas for a trifocal hydrophilic intraocular lens
Author/s | Rocha de Lossada, Carlos
Colmenero Reina, Elvira Flikier, David Castro-Alonso, Francisco Javier Rodríguez-Ratón, Álvaro García-Madrona, José Luis Peraza-Nieves, Jorge Sánchez González, José María |
Department | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Publication Date | 2021 |
Deposit Date | 2024-06-11 |
Published in |
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Abstract | Purpose: To evaluate the accuracy of 12 intraocular lens (IOL) power formulas; Barrett Universal II, Emmetropia Verifying Optical (EVO), Haigis, Hill-Radial Basis Function (RBF), Hoffer Q, Holladay I, Kane, Ladas Super ... Purpose: To evaluate the accuracy of 12 intraocular lens (IOL) power formulas; Barrett Universal II, Emmetropia Verifying Optical (EVO), Haigis, Hill-Radial Basis Function (RBF), Hoffer Q, Holladay I, Kane, Ladas Super Formula, Olsen Lenstar, Panacea, Pearl-DGS, Sanders-Retzlaff-Kraff / theoretical (SRK/T). In addition, an analysis of the efficacy as a function of the axial length was performed. Methods: 171 from 93 patients. 68 male eyes and 103 females eyes. Twelve IOL power formula calculations were studied with one IOL platform (trifocal hydrophilic IOL, FineVision Micro F), one biometer (Lenstar LS 900), one topographer (CSO Sirius Topographer), one surgeon and one optometrist. Optimization were determined to be zeroed mean refractive prediction error. Mean error (ME), mean absolute error (MAE), median absolute error (MedAE) and refractive accuracy within ± 1.00D was calculated. Axial length was split in short and medium eyes. Results: One hundred and seventy eyes were included. Formulas were ranked by percentage within ± 0.50 diopters and MAE (D). Among all eyes, Olsen 86.55% (0.273D) and Barrett Universal II 86.55% (0.285D). For short eyes (<22.5 mm), Olsen 90.70% (0.273D) and Kane 90.70% (0.225D). For medium eyes, Barrett 89.34% (0.237D) and Pearl 86.89% (0.263). Conclusion: Olsen and Barrett formula obtained excellent accuracy for overall eyes. Kane and Olsen formula obtained the best results in short eyes. For medium axial length Barret formula achieved the best accuracy results. |
Citation | Rocha de Lossada, C., Colmenero Reina, E., Flikier, D., Castro-Alonso, F.J., Rodríguez-Ratón, Á., García-Madrona, J.L.,...,Sánchez González, J.M. (2021). Intraocular lens power calculation formula accuracy: Comparison of 12 formulas for a trifocal hydrophilic intraocular lens. European Journal of Ophthalmology, 31 (6), 2981-2988. https://doi.org/10.1177/1120672120980690. |
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