Emmetropes Augenlängenwachstum als Therapieziel der Myopieversorgung

Kaymak, Hakan; Graff, Birte; Neller, Kai; Langenbucher, Achim; Seitz, Berthold; Schwahn, Hartmut

doi:10.1007/s00347-021-01569-0

Cited by 1 publication

(2 citation statements)

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“…Treatment options which have been proven effective by randomized clinical trials (RCTs) are: low-dose atropine [8] and vision aids such as multifocal contact lenses [9], orthokeratology lenses [10] and spectacle lenses having included lens segments [11,12]. Myopia control management uses the therapeutic tools with the aim to decrease an eye's excessive axial growth to approach at a growth rate which corresponds to the growth of children of the same age who become or stay emmetropic [3,4,13]. One essential element for proper myopia control management thus is the assessment of axial length growth rate [14] through the measurement of axial length (mm) at two points of time.…”

Section: Introductionmentioning

confidence: 99%

“…Biometer devices for the assessment of eye biometry have a longstanding use in the power calculation for intraocular lenses in mostly middle-aged or elderly patients who undergo cataract surgery or refractive lens exchange [1,2]. More recently, biometers have become important tools for ophthalmologists that focus on myopia control management in children and adolescents [3,4]. For myopia control management, it is important to detect any deviation from a normal growth pattern in a childʼs eye as early and as safely as possible and to start the appropriate treatment.…”

Section: Introductionmentioning

confidence: 99%

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A Comparison of Optical Biometers Used in Children for Myopia Control

Mattern¹,

Neller

Devenijn³

et al. 2023

Klin Monbl Augenheilkd

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Purpose: To assess the reproducibility (i.e., inter-device reliability) of the biometers Topcon MYAH, Oculus MyopiaMaster and Haag-Streit Lenstar LS 900 with the Carl Zeiss IOLMaster 700 and the intrasubject repeatability in myopic children to reliably detect axial growth for myopia management. Methods: 22 myopic children (11.1 ± 2.4 yr) with a spherical equivalent of -3.53 ± 2.35 D were subject to each of the biometers to assess axial length (AL), corneal parameters (steepK, flatK, meanK, vectors J0, J45), of which 16 children agreed to a second round of measurements. Reproducibility of the first measurements between the IOLMaster and every other biometer was assessed employing a Bland-Altman approach and paired Student t-test. Repeatability was assessed as intra-subject standard deviation and was used to estimate the minimum time interval required between two axial length measurements to reliably detect axial growth of an eye of at least 0.1 mm/year. Results: Repeatability for AL measurements was IOLMaster: 0.05 mm, MyopiaMaster: 0.06 mm, Myah: 0.06 mm, Lenstar: 0.04 mm; the respective minimal time interval for axial growth assessment in myopia management was estimated as 5.6, 6.6, 6.7, and 5.0 months, respectively. Best reproducibility in AL measurement was found between IOLMaster and Lenstar (95% Limits of Agreement (LoA) for reproducibility -0.06 to 0.02). As for the means, Lenstar measures AL longer than IOLMaster by 0.02 mm (p<0.001). MyopiaMaster measures meanK significantly lower (by 0.21 D with p<0.001) than IOLMaster. Regarding J0, all biometers deviate significantly from IOLMaster measurements (p<0.05). Conclusion: A generally good agreement was observed between all the biometers. When assessing myopia progression in children a timeframe of at least six months between the AL measurements is advisable to reliably determine any deviation from a normal growth pattern.

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