SPECTACLES
\spˈɛktəkə͡lz], \spˈɛktəkəlz], \s_p_ˈɛ_k_t_ə_k_əl_z]\
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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.
By DataStellar Co., Ltd
By William R. Warner
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Glasses to assist the sight; arranged so as to be adapted to both eyes. These glasses are more or less concave or convex, according as the sight is more or less short, (myopic,) or long, (presbyopic.) When the glass is adapted to one eye, it is called an Eyeglass, Conspicil'lum, Perspicil'lum, Vitrum ocula're.
By Robley Dunglison
By Willam Alexander Newman Dorland
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