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Viewing distance of smartphones in presbyopic and non-presbyopic age
PURPOSE: The aim of this cross-sectional observational study was to measure habitual viewing distance with smartphones in individuals of different ages, and to identify factors influencing viewing distance. MATERIAL: Gender, reading position, forearm length, ametropia, correction modality, and near...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Elsevier
2021
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8093538/ https://www.ncbi.nlm.nih.gov/pubmed/32893170 http://dx.doi.org/10.1016/j.optom.2020.08.001 |