作者: Peter J. Murphy
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摘要: An apparatus for protecting the eyes of a dental or medical practitioner from exposure to ultraviolet radiation during illumination surgical site other area interest includes first and second carrier lenses positioned within suitable frame. The lens comprises regions wherein region is adapted transmit substantially all visible light incident thereon absorb reflect at least some having wavelength above 400 nm. At portion also both This configuration protects electromagnetic spectrum but permits view an via non-absorbing one when clear desired. Each receive magnifying provide with magnified image under inspection without necessitating removal protective device.