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A community-based study of asthenopia in computer operators.

Dinesh J Bhanderi¹, Sushilkumar Choudhary, Vikas G Doshi

¹Department of Community Medicine, PS Medical College, Karamsad, Gujarat, India. drbhanderi007@yahoo.co.in

Indian Journal of Ophthalmology

|December 26, 2007

Summary

Computer use causes significant eye strain (asthenopia) in nearly half of operators. Early computer use and workplace factors like screen setup increase risk.

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Area of Science:

Ophthalmology
Occupational Health
Ergonomics

Background:

Growing evidence links computer use to adverse visual health effects.
Computer-related asthenopia (eye strain) poses a potential epidemic risk due to increasing computer usage in India.

Purpose of the Study:

To determine the prevalence of asthenopia among computer operators.
To investigate the association between asthenopia and various epidemiological factors.

Main Methods:

A community-based cross-sectional study was conducted.
419 computer operators completed a pre-tested questionnaire, with data supplemented by personal interviews and workstation inspections.

Main Results:

46.3% of subjects (194/419) reported asthenopia.
Asthenopia prevalence was linked to age of first computer use, refractive errors, viewing distance, screen height, and monitor settings (anti-glare, contrast, brightness).

Conclusions:

A high prevalence of asthenopia was observed in computer operators.
Early initiation of computer use and specific individual and workplace factors are significant predictors of asthenopia.