Accuracy of five intraocular lens formulas in eyes with trifocal lens implant.
PanOptix
hydrophobic
intraocular lens formulas
multifocal
optical biometry
presbyopia
trifocal
Journal
Experimental and therapeutic medicine
ISSN: 1792-0981
Titre abrégé: Exp Ther Med
Pays: Greece
ID NLM: 101531947
Informations de publication
Date de publication:
Sep 2020
Sep 2020
Historique:
received:
22
04
2020
accepted:
22
05
2020
entrez:
9
8
2020
pubmed:
9
8
2020
medline:
9
8
2020
Statut:
ppublish
Résumé
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.
Identifiants
pubmed: 32765746
doi: 10.3892/etm.2020.8891
pii: ETM-0-0-8891
pmc: PMC7401767
doi:
Types de publication
Journal Article
Langues
eng
Pagination
2536-2543Informations de copyright
Copyright: © Mălăescu et al.
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