Video display Terminals: the eyes have had it!
D003626:Data Display; D001330:Electronic Data Processing / Q000295:instrumentation*; D006804:Ergonomics; D006077:Government Agencies; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology* / Q000517:prevention & control; D014481:United States; D014786:Vision Disorders / Q000209:etiology* / Q000517:prevention & control