The computer user syndrome.
Most conventional computer hardware systems have been inadequately designed for the functional comfort and efficient usage by human operators. The effects of excyclotorsion, inadequate depression-of-gaze, excessive hand-wrist pronation, and ulnar abduction are discussed. The neurology of ocular movements, synkinesis, saccades, pursuits, and orthopedic hand-wrist biomechanics are reviewed. The interrelationships of these ocular and orthopedic phenomena have been synthesized into a comprehensive hypothesis, in an effort to create a computer configuration which permits a greater integration of the keyboard (tool-usage) with the screen-visualization (product-of-tool-usage), and improves visual feedback.
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D003199:Computer Systems; D012090:Cumulative Trauma Disorders / Q000517:prevention & control; D006804:Ergonomics; D005133:Eye Movements; D005542:Forearm / Q000502:physiology; D006225:Hand / Q000502:physiology; D006257:Head / Q000502:physiology; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control*; D014786:Vision Disorders / Q000209:etiology / Q000517:prevention & control