The impact of contact lens wear and visual display terminal work on ocular surface and tear functions in office workers

Takashi Kojima, Osama M A Ibrahim, Tais Wakamatsu, Atsushi Tsuyama, Junko Ogawa, Yukihiro Matsumoto, Murat Dogru, Kazuo Tsubota

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Purpose: To evaluate the effect of contact lens (CL) wear and visual display terminal (VDT) work on the ocular surface and tear functions. Design: Prospective case-control study. Methods: Sixty-nine CL wearers (45 women and 24 men; mean age, 35.2 ± 7.3 years), and 102 age- and sex-matched non-CL wearers were enrolled in the study (66 women and 36 men; mean age, 36.7 ± 7.3 years). Ocular surface and tear function tests, including vital stainings (fluorescein and rose bengal), Schirmer test, tear meniscus height measurement, and tear film break-up time were performed. The subjective symptoms of dry eyes were evaluated using a dry eye symptom questionnaire. The participants were divided into 4 subgroups according to the total time of VDT work in 1 day (VDT work time in 1 day < 4 hours or < 4 hours) and presence of CL wear. Main outcome measures included ocular surface vital staining scores, Schirmer test results, tear film break-up time, tear meniscus height measurement, and symptom questionnaire score. Results: CL users and long-term VDT workers showed significantly worse tear meniscus height values than non-CL users and short-term VDT workers (P <.001). The mean visual symptom scores in CL wearers and long-term VDT workers were significantly higher than the other groups (P <.001). Conclusions: Office workers who wore CLs and spent more than 4 hours engaged in VDT work had a lower tear meniscus volume with significant dry eye and visual symptoms triggered by environmental factors.

Original languageEnglish
JournalAmerican Journal of Ophthalmology
Volume152
Issue number6
DOIs
Publication statusPublished - 2011 Dec

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Contact Lenses
Tears
Lenses
Staining and Labeling
Rose Bengal
Fluorescein
Case-Control Studies
Outcome Assessment (Health Care)
Meniscus

ASJC Scopus subject areas

  • Ophthalmology

Cite this

The impact of contact lens wear and visual display terminal work on ocular surface and tear functions in office workers. / Kojima, Takashi; Ibrahim, Osama M A; Wakamatsu, Tais; Tsuyama, Atsushi; Ogawa, Junko; Matsumoto, Yukihiro; Dogru, Murat; Tsubota, Kazuo.

In: American Journal of Ophthalmology, Vol. 152, No. 6, 12.2011.

Research output: Contribution to journalArticle

Kojima, Takashi ; Ibrahim, Osama M A ; Wakamatsu, Tais ; Tsuyama, Atsushi ; Ogawa, Junko ; Matsumoto, Yukihiro ; Dogru, Murat ; Tsubota, Kazuo. / The impact of contact lens wear and visual display terminal work on ocular surface and tear functions in office workers. In: American Journal of Ophthalmology. 2011 ; Vol. 152, No. 6.
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