spectacles

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glasses

 [glas´ez]
lenses arranged in a frame holding them in the proper position in front of the eyes, as an aid to vision. Called also eyeglasses and spectacles.
bifocal glasses glasses with bifocal lenses; see also bifocal glasses.
trifocal glasses glasses with trifocal lenses.

spec·ta·cles

(spek'tĭ-kĕlz),
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(s): eyeglasses, glasses (1)
[L. specto, pp. -atus, to watch, observe]

spectacles

Opthalmology Glasses, gafas, occhiali, lunettes Vox populi A scene (spectacle)

spec·ta·cles

(spek'tă-kĕlz)
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; and the shoulders, short bars attached to the rims or the lenses and jointed with the sides.
Synonym(s): eyeglasses, glasses.
[L. specto, pp. -atus, to watch, observe]

spectacles

Pairs of simple thin lenses, usually mounted in frames and used for the correction of short sight (MYOPIA), long sight (HYPERMETROPIA), ASTIGMATISM and PRESBYOPIA.

spectacles 

An optical appliance consisting of a pair of ophthalmic lenses mounted in a frame or rimless mount, resting on the nose and held in place by sides extending towards or over the ears. Syn. eyeglass frame; eyeglasses; eyewear (colloquial); glasses; spectacle frame. See acetone; pantoscopic angle; retroscopic angle; angling; bridge; clipover; eczema; endpiece; eyesize; front; hinge; lens washer; lorgnette; mount; pad; plastic; rim; side; spectacle frame markings; sunglasses; temple; tortoiseshell.
aphakic spectacles Spectacles mounted with aphakic lenses used to compensate the loss of optical power resulting from a cataract extraction when no intraocular lens implant has been inserted. Syn. cataract glasses. See aphakic lens.
billiards spectacles Spectacles incorporating joints that enable the wearer to adjust the angle of the sides (British Standard).
folding spectacles Spectacles that are hinged at the bridge and in the sides, so as to fold with the two lenses in apposition.
half-eye spectacles A pair of spectacles for near vision, designed so that the lenses cover only half of the field of view, usually the lower half (Fig. S10). Syn. half-eyes.
hemianopic spectacles Spectacles incorporating a device that provides a lateral displacement of one or both fields of view. The device is usually a prism such as a Fresnel Press-On prism, which is placed over the blind (hemianopic) side of the visual field. A mirror system may also be used. The view within that side of the field is imaged on the seeing side of the visual field of the eye.
industrial spectacles Spectacles made with plastic or safety glass and solid frame, sometimes with side shields. They are used in industrial occupations where there are possible hazards to the eye. See Fig. S6; safety glass; goggles; safety lens.
library spectacles A plastic spectacle frame with heavyweight front and sides. Syn. library frame.
magnifying spectacles Spectacles containing lenses of high convex power (+10 D or higher) used for near vision.
orthopaedic spectacles Spectacles with attachments designed to relieve certain anatomical deformities such as entropion, ptosis, etc. See Horner's syndrome.
pinhole spectacles Spectacles fitted with opaque discs having one or more small apertures. They are used as an aid in certain types of low vision (e.g. corneal scar). See stenopaeic spectacles; low vision.
recumbent spectacles Spectacles intended to be used while recumbent. They usually incorporate a prism that deflects a beam of light through approximately 90º while keeping the image erect. See yoke prisms.
reversible spectacles Spectacles that are designed to be worn with either lens before either eye.
rimless spectacles Spectacles without rims, the lenses being fastened to the frame by screws, clamps or similar devices. See lens groove; rim.
stenopaeic spectacles Spectacles fitted with opaque discs having a slit. They are used as an aid in certain types of low vision. See stenopaeic disc; pinhole spectacles; low vision.
supra spectacles Spectacles in which the lenses are held in position by thin nylon threads attached to the rims. See lens groove; rim.
telescopic spectacles See telescopic lens.
Fig. S10 Half-eye spectaclesenlarge picture
Fig. S10 Half-eye spectacles
References in periodicals archive ?
But many builders can't afford to banish spec from their vocabulary.
Specs stopped writing for us after his 1968 contributions and that was the last we ever heard from or about him until 1989 when a small block of type in the obituary section of our morning newspaper caught our eye: "Specs Toporcer, Former Major League Ballplayer, 1899-1989."
Even people who normally wear specs can take advantage of throwaways on those special occasions where they prefer not to spoil the moment with specs - but still like to read the menu or see who they are kissing!
Ask Indiana brokers, and you'll see little expectation for spec building.
Visitors to the ATS booth #1656 at ASPE on October 1st and 2nd will be introduced to the Alpha version of the new software and have the chance to sign up to be the exclusive Beta-testers to preview the new ATS Spec Tool.
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Ten lucky winners will each win a designer specs voucher, which can be taken to any Scottish Specsavers store and exchanged for the striking PS125 tartan specs.
ONLINE SPECS will also take you to links for other kinds of specifications and standards, including:
12) If a vendor challenges your technical specs, get independent advice from another source such as FEDSIM, NIST, FEDCAC, a central select, a consultant, etc.
Archos Technology showed a $289 USB CD-RW drive with near-state-of-the-art specs (8/4/24 speeds) in a small (6in.
These people are afraid of the custom home process, and specs are the only way to reach them.
By going to solution viscosity testing, along with many SPC-derived process improvements, the company narrowed its flow specs by half and reduced variability within those new specs by 50% between 1986 and '89.