Elsevier

Applied Ergonomics

Volume 14, Issue 4, December 1983, Pages 297-305
Applied Ergonomics

Investigation of visual strain experienced by microscope operators at an electronics plant

https://doi.org/10.1016/0003-6870(83)90010-8Get rights and content

Abstract

This investigation was concerned with the examination of 75 microscope operators at an electronics plant, with reference to eye function and visual strain. It consisted of three separate parts: (1) standardised interviews dealing with symptoms of visual strain, (2) examinations of the refractive state as well as possible diseases of the eye, and (3) examination of binocular vision.

It emerged that 80% of the microscope operators engaged in full time microscope operation experienced various symptoms of visual strain. A statistically verified relationship was found to exist between these manifestations of visual strain on the one hand and uncorrected astigmatism, fusion insufficiency (poorer eye co-ordination) and the length of time spent at the microscope during the working day on the other.

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