Accuracy of Five Intraocular Lens Formulas in Eyes with Trifocal Lens Implant

Overview

Journal Exp Ther Med

Specialty Pathology

Date 2020 Aug 9

PMID 32765746

Citations 6

Authors

Monica Malaescu

Horia T Stanca

Bogdana Tabacaru

Adriana Stanila

Simona Stanca

Ciprian Danielescu

Affiliations

Soon will be listed here.

Abstract

Accuracy of intraocular lens (IOL) calculation formulas SRK/T, Hoffer Q, Holladay 1, Haigis and Barrett Universal II were compared in prediction of postoperative refraction for multifocal and implants using a single optical biometry device. The authors included 88 refractive lens exchange and cataract surgeries, with AcrySof IQ PanOptix implant (Alcon Laboratories, Inc.). All eyes were divided into three groups based on axial length (AL), group 1: <22 mm (14 eyes), group 2: 22-24.5 mm (68 eyes) and group 3: >24.5 mm (6 eyes). The refractive prediction error (RPE) and mean absolute error (MAE) were calculated for 5 different formulas: SRK/T, Hoffer Q, Holladay 1, Haigis and Barrett Universal II. For eyes with the AL between 22 mm and 24.5 mm the greatest percentage of eyes with RPEs within ±0.25 D was 32.4% for Haigis formula, followed by Barrett Universal II, Hoffer Q and Holladay 1 with 29.4%. The percentage of eyes with RPEs within ±0.50 D was 100% only for Barrett Universal II and Holladay 1, 94.1% for SRK/T and 91.2% for Haigis and Hoffer Q. The first and third group with AL <22 and >24.5 mm were too small to have statistical significance due to the reluctancy to use multifocal IOLs on extreme ALs. ANOVA test showed no statistical difference (P=0.166) between the RPEs measured for each formula in this cohort. This study showed no statistical difference between formulas for this trifocal lens implant. There was a tendency for the RPE to be within ±0.25 D for most of the eyes with the Haigis formula, and within ±0.50 D for all the eyes with the Barrett Universal II formula in the group with the AL between 22 and 24.5 mm.

Citing Articles

Comparison of Hill-RBF 3.0 with Barrett Universal II, SRK/T, Hoffer Q, Haigis, and Holladay 1 to predict the accuracy of post-cataract surgery refractive outcomes in Indian eyes.

Natung T, Pandey I, Nongrum B, Sekhose E Indian J Ophthalmol. 2024; 72(9):1261-1266.

PMID: 38767564 PMC: 11552816. DOI: 10.4103/IJO.IJO_2693_23.

Evaluation of Refractive Accuracy of ORA and the Factors Impacting Residual Astigmatism in Patients Implanted with Trifocal IOLs During Cataract Surgery: A Retrospective Observational Study.

Watanabe K Clin Ophthalmol. 2022; 16:2491-2503.

PMID: 35974901 PMC: 9375987. DOI: 10.2147/OPTH.S371555.

Difficulties in choosing the right intraocular lens in a previously vitrectomized patient - the role of the tear film.

Malaescu M, Tabacaru B, Stanca H Rom J Ophthalmol. 2022; 66(1):89-96.

PMID: 35531451 PMC: 9022154. DOI: 10.22336/rjo.2022.18.

Femtosecond-LASIK outcomes using the VisuMax-MEL 80 platform for hyperopia and hyperopic astigmatism refractive surgery.

Tabacaru B, Stanca H, Pirvulescu R, Stanca S, Danielescu C, Munteanu M Exp Ther Med. 2021; 21(3):288.

PMID: 33603895 PMC: 7851669. DOI: 10.3892/etm.2021.9719.

Toric intraocular lens implantation - atypical cases.

Lazar A, Tabacaru B, Stanca S, Stanca T Rom J Ophthalmol. 2020; 64(4):432-443.

PMID: 33367183 PMC: 7739021. DOI: 10.22336/rjo.2020.67.

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