Medical Device
eyeglass Audio
eye·glass [ ahy-glas, ahy-glahs ]
Subclass of:
Lens (device)
Definitions related to eyeglasses:
  • (glasses) Frames with lenses worn in front of the eye for vision correction, eye protection, or protection from UV rays.
    NCI
    U.S. National Cancer Institute, 2021
  • A pair of ophthalmic lenses in a frame or mounting which is supported by the nose and ears. The purpose is to aid or improve vision. It does not include goggles or nonprescription sun glasses for which EYE PROTECTIVE DEVICES is available.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Eyeglasses, lenses set in frames for wearing in front of the eyes to aid vision or to correct such defects of vision as myopia, hyperopia, and astigmatism. In 1268 Roger Bacon made the earliest recorded comment on the use of lenses for optical purposes, but magnifying lenses inserted in frames were...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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