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Ach, te moje oczy zmęczone... Jak sobie radzić z objawami astenopii i ZSO w XXI wieku

Błoch W., Seredyka-Burduk M., Stępniewski P.

Optyka

2018

Nr 2

62--64

Effect of Subjective and Objective Workload on Asthenopia at VDU Workplaces

Studeli T., Menozzi M.

International Journal of Occupational Safety and Ergonomics

2003

Vol. 9, No. 4

441--451

An ergophthalmological tool has been developed to investigate effects of subjective and objective workload on work-related visual complaints (asthenopia). In field studies on different visual display unit (VDU) workplaces effects of objective and subjective workload, work intensity, and work breaks (5–9 min/hour) could be found. It could be shown that during the first hours of VDU work, asthenopic complaints have the tendency to follow effective workload. With increasing working time the effect of a general and visual fatigue overlaps other reported visual complaints in the majority of cases.

An Attempt at Preventing Asthenopia Among VDT Workers

Omori M., Watanabe T., Takai J., Takada H., Miyao M.

International Journal of Occupational Safety and Ergonomics

2003

Vol. 9, No. 4

453--462

We report the results of 3 surveys of visual display terminal (VDT) users who took a minibreak during which they viewed a stereoscopic image of a repeating parallel pattern showing planets. The single image stereogram method employed is called Stretch Eye™, and we evaluated the effects of Stretch Eye™ on asthenopia. An accommodative relaxation of about 1 D was observed in participants while they were gazing at the image. The employees of 2 information technology companies were evaluated according to a visual analogue scale (VAS) for subjective symptoms of asthenopia and eyesight. The results showed that Stretch Eye™ was effective in easing visual fatigue due to VDT work and it improved eyesight under working conditions.