Refractive outcomes of 8 biometric formulas in combined phacovitrectomy with internal limiting membrane peeling for epiretinal membrane

Vounotrypidis, Efstathios; Shajari, Mehdi; Muth, Daniel R.; Hirnschall, Nino; Findl, Oliver; Priglinger, Siegfried und Mayer, Wolfgang J. (2020): Refractive outcomes of 8 biometric formulas in combined phacovitrectomy with internal limiting membrane peeling for epiretinal membrane. In: Journal of Cataract and Refractive Surgery, Bd. 46, Nr. 4: S. 591-597

Abstract

Purpose: To investigate the accuracy of 8 different biometric formulas in combined phacovitrectomy and the effect of constant optimization on refractive outcome. Setting: Ludwig-Maximilians-University, Munich, Germany. Design: Retrospective observational case series. Methods: In this single-center study, patients with cataract and epiretinal membrane who underwent combined phacovitrectomy with internal limiting membrane peeling (Group B) and axial length-matched patients who underwent phacoemulsification (Group A) were included. In Group C, optimized constants from Group A were applied in patients of Group B. One eye of each patient was included. Main outcome measures after constant optimization for each biometric formula were refractive prediction error (PE), mean absolute error (MAE), and percentages of eyes with a PE within +/- 0.25 diopters (D), +/- 0.5 D, and +/- 1.0 D. Results: The study comprised 128 patients. For all formulas in Group A and Group B, refractive PE was 0.000 (P = .964 and P = .967, respectively). For formulas Barrett, Haigis, Hill, Hoffer Q, Holladay 1, Holladay 2, Kane, and SRK-T, refractive PE was -0.147, -0.204, -0.180, -0.212, -0.180, -0.178, -0.153, and -0.159, respectively, in Group C (P = .569);MAE was 0.346, 0.375, 0.382, 0.379, 0.355, 0.377, 0.318, and 0.364, respectively, in Group A (P = .286);0.402, 0.422, 0.417, 0.427, 0.417, 0.402, 0.370, and 0.401, respectively, in Group B (P = .364);and 0.401, 0.424, 0.419, 0.444, 0.424, 0.404, 0.391, and 0.422, respectively, in Group C (P = .767). Effect of constant optimization in phacovitrectomy was statistically significant for all formulas (P < .001 for each formula). Conclusions: No statistically significant difference was observed between the biometric formulas with regard to PE and MAE. However, in terms of phacovitrectomy, constant optimization should be considered for individual intraocular lens power calculations attributable to myopic shift. Copyright (C) 2020 Published by Wolters Kluwer on behalf of ASCRS and ESCRS

• Dokumententyp: Zeitschriftenartikel
• Fakultät: Medizin
• Themengebiete: 600 Technik, Medizin, angewandte Wissenschaften > 610 Medizin und Gesundheit
• ISSN: 0886-3350
• Sprache: Englisch