| div | divergence, divergent; divide, divided, division |
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| divided spectacles | An early form of bifocal spectacles in which the lower half of the lens is for near vision, the upper half for distant vision. Synonym: divided spectacles. (05 Mar 2000) |
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| septate: divided | A septate uterus is a one that is divided. (12 Dec 1998) |
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| divided | Referring to the blade of a leaf when it is cut into distinct divisions to, or almost to, the midvein. (09 Oct 1997) |
| divided dose | A definite fraction of a full dose; given repeatedly at short intervals so that the full dose is taken within a specified period, usually one day. Synonym: fractional dose. (05 Mar 2000) |
| bifocal spectacles | Spectacles with bifocal lenses. See: lens. (05 Mar 2000) |
| pantoscopic spectacles | Spectacles, used for reading, in which the upper portion of the lenses are removed. Synonym: clerical spectacles, pantoscopic spectacles, pulpit spectacles. (05 Mar 2000) |
| Masselon's spectacles | Spectacles with little offsets of metal with smooth edges which engage above the upper eyelid and keep it raised above the pupil in cases of paralytic blepharoptosis. Synonym: Masselon's spectacles. (05 Mar 2000) |
| photochromic spectacles | Spectacles with lenses that darken on exposure to ultraviolet light. (05 Mar 2000) |
| clerical spectacles | Spectacles, used for reading, in which the upper portion of the lenses are removed. Synonym: clerical spectacles, pantoscopic spectacles, pulpit spectacles. (05 Mar 2000) |
| half-glass spectacles | Spectacles, used for reading, in which the upper portion of the lenses are removed. Synonym: clerical spectacles, pantoscopic spectacles, pulpit spectacles. (05 Mar 2000) |
| safety spectacles | Spectacles which protect against ultraviolet or infrared rays or against mechanical injuries. Synonym: safety spectacles. (05 Mar 2000) |
| hemianopic spectacles | Spectacles with a prism or mirror to allow the individual with homonymous hemianopia to see objects in his blind half field. (05 Mar 2000) |
| protective spectacles | Spectacles which protect against ultraviolet or infrared rays or against mechanical injuries. Synonym: safety spectacles. (05 Mar 2000) |
| pulpit spectacles | Spectacles, used for reading, in which the upper portion of the lenses are removed. Synonym: clerical spectacles, pantoscopic spectacles, pulpit spectacles. (05 Mar 2000) |
| 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 spectacles are the lenses; the bridge between the lenses, resting on the nose; the rims or frames, encircling the lenses; the sides or temples that pass on either side of the head to the ears; the bows, the curved extremities of the temples; the shoulders, short bars attached to the rims or the lenses and jointed with the sides. Synonym: eyeglasses, glasses. Origin: L. Specto, pp. -atus, to watch, observe (05 Mar 2000) |
| stenopaic spectacles | Opaque disks with narrow slits in the centre allowing only a minimum amount of light to enter; used as a protection against snow blindness, spectacles having opaque disks with multiple perforations used to aid vision in incipient cataract and in discrete opacities of the cornea; occasionally used as a substitute for corrective lenses or sunglasses. (05 Mar 2000) |
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