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Effectiveness of the C-Sharp: reducing ergonomics problems at VDTs
1Wright State University, Department of Biomedical and Human Factors Engineering, Dayton OH 45435, USA.
Applied Ergonomics
|October 1, 1993
Summary
The C-Sharp device meets ergonomic standards for visual display terminals, improving comfort for bifocal wearers without affecting performance. It helps reduce visual strain during prolonged computer use.
Area of Science:
- Ergonomics
- Human Factors Engineering
- Ophthalmology
Background:
- Visual display terminal (VDT) use causes visual fatigue and discomfort.
- Ergonomic workstation design aims to mitigate VDT-related issues.
- The C-Sharp device is a novel solution for VDT ergonomics.
Purpose of the Study:
- Evaluate the C-Sharp device against ergonomic standards.
- Assess the impact of the C-Sharp on operator performance, comfort, posture, and visual acuity.
- Compare the C-Sharp with mesh-glare and no-glare filters.
Main Methods:
- Ergonomics evaluation of the C-Sharp device.
- Comparison across three glare conditions: C-Sharp, mesh-glare filter, no-glare filter.
- Subject grouping based on age and vision correction (bifocals).
Main Results:
- The C-Sharp complies with American National Standard for VDT workstations.
- No significant differences in objective performance were observed between glare conditions.
- Bifocal wearers using the C-Sharp maintained natural neck postures.
- Post-session far visual acuity declined across all conditions.
Conclusions:
- The C-Sharp device is ergonomically sound for VDT workstations.
- The device offers postural benefits for bifocal users.
- Further research may be needed to address visual acuity changes.