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Related Experiment Video

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Online Explorative Study on the Learning Uses of Virtual Reality Among Early Adopters

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What Have We Learned From the Osaka Study?

Miki Uchino¹, Yuichi Uchino¹, Motoko Kawashima¹

¹Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan.

|September 14, 2018

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Dry eye disease (DED) is common in Japanese office workers using visual display terminals (VDTs). DED significantly impacts workplace productivity, physical activity, and sleep quality, necessitating further investigation.

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Area of Science:

Ophthalmology
Occupational Health
Epidemiology

Background:

Visual display terminal (VDT) use is widespread in modern workplaces.
Dry eye disease (DED) is a common ocular surface condition with potential impacts on quality of life and work performance.

Purpose of the Study:

To investigate the prevalence of DED among Japanese office workers using VDTs.
To assess the association between DED and workplace productivity, physical activity, subjective happiness, and sleep quality.

Main Methods:

A cross-sectional study involving Japanese pharmaceutical company office workers.
Participants completed questionnaires on DED symptoms, work limitations, physical activity, happiness, and sleep quality.
Ocular status was evaluated using vital staining, tear film breakup time, and the Schirmer test, adhering to Japanese 2007 DED diagnostic criteria.

Main Results:

High prevalence of DED was observed: 11.6% definite DED and 54.0% probable DED.
Definite DED was associated with significantly greater workplace productivity loss compared to probable and non-DED groups.
Individuals with DED reported lower physical activity, poorer sleep quality, and a correlation between dry eye symptoms and lower subjective happiness.

Conclusions:

DED is a prevalent condition among VDT-using office workers.
The findings highlight significant negative impacts of DED on work productivity, physical activity, and sleep quality.
Further research is warranted to explore these associations and develop targeted interventions.