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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.

Lenses set in a frame which holds them in front of the eyes, used to correct errors of vision or to protect the eyes from the glare of the sun or electric light. The parts of the spectacles are the lenses; the bridge between the lenses, resting on the nose; the rims or frames, encircling the lenses, now often omitted, the bridge and the shoulders being riveted directly to the lenses; the sides or temples, wires passing on either side of the head to the ears; the bows, the curved extremities of the sides over the roots of the auricles; the shoulders, short bars attached to the rims or riveted to the lenses and jointed with the sides.

An arrangement holding two lenses for assisting vision.

Glasses mounted on a light frame to assist or correct vision.

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.

Pair of lenses in a frame to assist vision.

Glasses or lenses to assist or improve sight.