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KMID : 1011420140190030389
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Journal of Korean Ophthalmic Optics Society
2014 Volume.19 No. 3 p.389 ~ p.396
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Effects of Dry Eye Symptoms on Work Productivity and General Activity in Newly Building
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Kim Hyo-Jin
Park Chan-Jung
Lim Byung-Seo
Kim Ho-Hyun
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Abstract
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Purpose: The study examined dry eye symptoms of occupants in a newly constructed building and its effects on
their work productivity and general activity.
Methods: The study subjects were 33 office workers who spent more than eight hours per day on average in a new building constructed in the past three months. The indoor air quality of the new building was evaluated by measuring aldehydes, temperature and humidity. The level of dry eye symptoms was classified into normal, mild, moderate and severe by using the Ocular Surface Disease Index (OSDI). The experience of LASIK surgery, use of eye makeup, daily use time of a computer and smart-phone, and average daily working hours were also examined. The Work Limitation Productivity Questionnaire was used as the questionnaire about work productivity and general activity to measure the impairment level on a ten-point scale.
Results: The concentration variation of formaldehyde in the office was 42.42±6.30 μg/m3. The temperature and humidity were 26.2±0.70oC and 40±1%, respectively. The respondents with normal, mild, moderate and severe dry eye symptoms were 15.2%, 18.2%, 18.2% and 48.5%, respectively. The severity of dry eye symptoms and impairment of work productivity and general activity demonstrated high correlations of 0.599 and 0.655, respectively (p<0.001). Compared to the normal case, severe dry eye symptoms demonstrated significantly high impairment of work productivity and interruption of general activity (p<0.001). The case of serious dry symptoms showed the possibilities of having impairment level of work productivity and interruption of general activity above three points 3.26 times (p=0.032) and 2.25 times (p=0.045), respectively, higher than that of the normal case.
Conclusions: It was confirmed that dry eye symptoms among office workers in a newly constructed building affects work productivity and general activity.
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KEYWORD
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Sick building syndrome, Dry eye symptoms, Formaldehyde, Work productivity, General activity
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