pantoscopic spectacles

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• Pantoscopic — Pan to*scop ic, a. [Panto + scope + ic.] Literally, seeing everything; a term applied to eyeglasses or spectacles divided into two segments, the upper being designed for distant vision, the lower for vision of near objects. [1913 Webster] …   The Collaborative International Dictionary of English

• spectacles — Lenses set in a frame that holds them in front of the eyes, used to correct errors of refraction or to protect the eyes. The parts of the s. are the lenses; the bridge between the lenses, resting on the nose; the rims or frames, encircling the… …   Medical dictionary