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Symptoms associated with reading from a smartphone in conditions of light and dark

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Antona Peñalba, Beatriz y Barrio de Santos, Ana Rosa y Gascó Sánchez, Adriana y Pinar Rincón, Ana y González Pérez, Mariano y Puell Marín, María Cinta (2018) Symptoms associated with reading from a smartphone in conditions of light and dark. Applied Ergonomics, 68 . pp. 12-17. ISSN 0003-6870

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URL Oficial: https://doi.org/10.1016/j.apergo.2017.10.014




Resumen

Asthenopia symptoms were investigated in visually-normal subjects without computer-related vision symptoms after prolonged reading from: smartphone versus hardcopy under photopic conditions, and smartphone in conditions of ambient versus dark room illumination. After reading from the smartphone, total symptom scores and nine out of ten questionnaire symptoms were significantly worse than for the hardcopy (“blurred vision while viewing the text, “blurred distance vision after the task”, “difficulty in refocusing from one distance to another”, “irritated or burning eyes”, “dry eyes”, “eyestrain”, “tired eyes”, “sensitivity to bright lights” and “eye discomfort”). Mean total symptom scores and scores for “irritated or burning eyes” and “dry eyes” were significantly higher for the dark versus photopic conditions. In conclusion, prolonged smartphone reading could cause worse asthenopic symptoms than reading from a hardcopy under similar conditions. Symptoms could be even worse when reading from a smartphone in the dark.


Tipo de documento:Artículo
Información Adicional:

Received 17 October 2016, Revised 3 May 2017, Accepted 20 October 2017, Available online 2 November 2017.

Palabras clave:Smartphone; Asthenopia symptom; Reading; Dark environment
Materias:Ciencias > Informática > Electrónica
Ciencias Biomédicas > Óptica y optometría > Optometría
Ciencias Biomédicas > Óptica y optometría > Óptica fisiológica
Código ID:45533
Depositado:24 Nov 2017 11:34
Última Modificación:22 Ene 2018 14:34

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