Risk of electric shock from Reliance Models 7700, 7720, and 7780 ophthalmic instrument stands and Models 980, 6100, and 7000 examination chairs.
D004556:Electric Injuries / Q000453:epidemiology / Q000209:etiology*; D004869:Equipment Safety; D006801:Humans; D009885:Ophthalmology / Q000295:instrumentation*; D012307:Risk Factors