Nasal-temporal asymmetry in peripheral refraction with an aspheric myopia control contact lens.
Journal
Biomedical optics express
ISSN: 2156-7085
Titre abrégé: Biomed Opt Express
Pays: United States
ID NLM: 101540630
Informations de publication
Date de publication:
01 Dec 2020
01 Dec 2020
Historique:
received:
21
08
2020
revised:
09
10
2020
accepted:
09
11
2020
entrez:
7
1
2021
pubmed:
8
1
2021
medline:
8
1
2021
Statut:
epublish
Résumé
A combination of human subject data and optical modelling was used to investigate unexpected nasal-temporal asymmetry in peripheral refraction with an aspheric myopia control lens. Peripheral refraction was measured with an auto-refractor and an aberrometer. Peripheral refraction with the lens was highly dependent upon instrument and method (e.g. pupil size and the number of aberration orders). A model that did not account for on-eye conformation did not mirror the clinical results, but a model assuming complete lens conformation to the anterior corneal topography accounted for the positive shift in clinically measured refraction at larger nasal field angles. The findings indicate that peripheral refraction of highly aspheric contact lenses is dependent on lens conformation and the method of measurement. These measurement methods must be reported, and care must be used in interpreting results.
Identifiants
pubmed: 33409003
doi: 10.1364/BOE.406101
pii: 406101
pmc: PMC7747928
doi:
Types de publication
Journal Article
Langues
eng
Pagination
7376-7394Informations de copyright
© 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
Déclaration de conflit d'intérêts
The authors declare no conflicts of interest.
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