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Stair, 1948 - Google Patents

Spectral-transmissive properties and use of eye-protective glasses

Stair, 1948

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Document ID
2733838392388423481
Author
Stair R
Publication year

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Snippet

Conservation of eyesight is one of the foremost problems that confront safety engineers in America today. The eyes must be protected not only from mechanical injury, but from injury resulting from exposure to various sources of radiant energy. The natural protective …
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filter, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/104—Filter, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having spectral characteristics for purposes other than sun-protection
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems; Methods of designing lenses bifocal; multifocal; progressive
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infra-red or ultraviolet radiation, e.g. for separating visible light from infra-red and/or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot

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