Wearable Sensors for Measurement of Viewing Behavior, Light Exposure, and Sleep

The purpose of this study was to compare two wearable sensors to each other and to a questionnaire in an adult population. For one week, participants aged 29.2 ± 5.5 years (<i>n</i> = 25) simultaneously wore a Clouclip, a spectacle-mounted device that records viewing distance and illumin...

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Autores principales:	Khob R. Bhandari, Hanieh Mirhajianmoghadam, Lisa A. Ostrin
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	light exposure near work myopia viewing behavior wearable sensors Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/488f11e3345e41ef8cae79417b719285
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spelling	oai:doaj.org-article:488f11e3345e41ef8cae79417b7192852021-11-11T19:06:31ZWearable Sensors for Measurement of Viewing Behavior, Light Exposure, and Sleep10.3390/s212170961424-8220https://doaj.org/article/488f11e3345e41ef8cae79417b7192852021-10-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7096https://doaj.org/toc/1424-8220The purpose of this study was to compare two wearable sensors to each other and to a questionnaire in an adult population. For one week, participants aged 29.2 ± 5.5 years (<i>n</i> = 25) simultaneously wore a Clouclip, a spectacle-mounted device that records viewing distance and illuminance, and an Actiwatch, a wrist-worn device that measures illuminance and activity. Participants maintained a daily log of activities and completed an activity questionnaire. Objective measures of time outdoors, near (10–< 60 cm) and intermediate (60–100 cm) viewing, and sleep duration were assessed with respect to the daily log and questionnaire. Findings showed that time outdoors per day from the questionnaire (3.2 ± 0.3 h) was significantly greater than the Clouclip (0.9 ± 0.8 h) and Actiwatch (0.7 ± 0.1 h, <i>p</i> < 0.001 for both). Illuminance from the Actiwatch was systematically lower than the Clouclip. Daily near viewing duration was similar between the questionnaire (5.7 ± 0.6 h) and Clouclip (6.1 ± 0.4 h, <i>p</i> = 0.76), while duration of intermediate viewing was significantly different between methods (<i>p</i> < 0.001). In conclusion, self-reported time outdoors and viewing behaviors were different than objective measures. The Actiwatch and Clouclip are valuable tools for studying temporal patterns of behavioral factors such as near work, light exposure, and sleep.Khob R. BhandariHanieh MirhajianmoghadamLisa A. OstrinMDPI AGarticlelight exposurenear workmyopiaviewing behaviorwearable sensorsChemical technologyTP1-1185ENSensors, Vol 21, Iss 7096, p 7096 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	light exposure near work myopia viewing behavior wearable sensors Chemical technology TP1-1185
spellingShingle	light exposure near work myopia viewing behavior wearable sensors Chemical technology TP1-1185 Khob R. Bhandari Hanieh Mirhajianmoghadam Lisa A. Ostrin Wearable Sensors for Measurement of Viewing Behavior, Light Exposure, and Sleep
description	The purpose of this study was to compare two wearable sensors to each other and to a questionnaire in an adult population. For one week, participants aged 29.2 ± 5.5 years (<i>n</i> = 25) simultaneously wore a Clouclip, a spectacle-mounted device that records viewing distance and illuminance, and an Actiwatch, a wrist-worn device that measures illuminance and activity. Participants maintained a daily log of activities and completed an activity questionnaire. Objective measures of time outdoors, near (10–< 60 cm) and intermediate (60–100 cm) viewing, and sleep duration were assessed with respect to the daily log and questionnaire. Findings showed that time outdoors per day from the questionnaire (3.2 ± 0.3 h) was significantly greater than the Clouclip (0.9 ± 0.8 h) and Actiwatch (0.7 ± 0.1 h, <i>p</i> < 0.001 for both). Illuminance from the Actiwatch was systematically lower than the Clouclip. Daily near viewing duration was similar between the questionnaire (5.7 ± 0.6 h) and Clouclip (6.1 ± 0.4 h, <i>p</i> = 0.76), while duration of intermediate viewing was significantly different between methods (<i>p</i> < 0.001). In conclusion, self-reported time outdoors and viewing behaviors were different than objective measures. The Actiwatch and Clouclip are valuable tools for studying temporal patterns of behavioral factors such as near work, light exposure, and sleep.
format	article
author	Khob R. Bhandari Hanieh Mirhajianmoghadam Lisa A. Ostrin
author_facet	Khob R. Bhandari Hanieh Mirhajianmoghadam Lisa A. Ostrin
author_sort	Khob R. Bhandari
title	Wearable Sensors for Measurement of Viewing Behavior, Light Exposure, and Sleep
title_short	Wearable Sensors for Measurement of Viewing Behavior, Light Exposure, and Sleep
title_full	Wearable Sensors for Measurement of Viewing Behavior, Light Exposure, and Sleep
title_fullStr	Wearable Sensors for Measurement of Viewing Behavior, Light Exposure, and Sleep
title_full_unstemmed	Wearable Sensors for Measurement of Viewing Behavior, Light Exposure, and Sleep
title_sort	wearable sensors for measurement of viewing behavior, light exposure, and sleep
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/488f11e3345e41ef8cae79417b719285
work_keys_str_mv	AT khobrbhandari wearablesensorsformeasurementofviewingbehaviorlightexposureandsleep AT haniehmirhajianmoghadam wearablesensorsformeasurementofviewingbehaviorlightexposureandsleep AT lisaaostrin wearablesensorsformeasurementofviewingbehaviorlightexposureandsleep
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Wearable Sensors for Measurement of Viewing Behavior, Light Exposure, and Sleep

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