Comparison of an open view autorefractor with an open view aberrometer in determining peripheral refraction in children
J. optom. (Internet)
; 16(1)January - March 2023. ilus, tab, graf
Article
en En
| IBECS
| ID: ibc-214427
Biblioteca responsable:
ES1.1
Ubicación: ES15.1 - BNCS
ABSTRACT
Purpose: The aim of this study was to compare central and peripheral refraction using an open view Shin-Nippon NVision-K 5001 autorefractor and an open view COAS-HD VR aberrometer in young children.MethodsCycloplegic central and peripheral autorefraction was measured in the right eye of 123 children aged 8 to 16 years. Three measurements each were obtained with both Shin-Nippon NVision-K 5001 autorefractor and COAS-HD VR aberrometer along the horizontal visual field up to 30° (nasal and temporal) in 10° steps. The refraction from the autorefractor was compared with aberrometer refraction for pupil analysis diameters of 2.5-mm and 5.0-mm.ResultsThe Shin-Nippon was 0.30 D more hyperopic than COAS-HD VR at 2.5-mm pupil and 0.50 D more hyperopic than COAS-HD VR at 5-mm pupil for central refraction. For both pupil sizes, the 95% limits of agreement were approximately 0.50 D for central refraction, and limits were wider in the nasal visual field compared to the temporal visual field. The mean difference for both J0 and J45 were within 0.15 D and the 95% limits of agreement within 0.90 D across the horizontal visual field.ConclusionDefocus components were similar between the Shin-Nippon autorefractor and the COAS-HD VR aberrometer with a 2.5-mm pupil for most visual field angles. However, there was a significant difference in defocus component between the Shin-Nippon autorefractor and the COAS-HD VR aberrometer with a 5.0-mm pupil, wherein the autorefractor measured more hyperopia. The astigmatic components J0 and J45 were similar between instruments for both central and peripheral refraction. (AU)
Palabras clave
Texto completo:
1
Colección:
06-national
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ES
Base de datos:
IBECS
Asunto principal:
Refracción Ocular
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Estudiantes
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Preescolar
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Hiperopía
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Midriáticos
Límite:
Adolescent
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Child
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Humans
Idioma:
En
Revista:
J. optom. (Internet)
Año:
2023
Tipo del documento:
Article