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trial frame

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia 0.01 sec.
frame (frām) a rigid structure for giving support to or for immobilizing a part.
Balkan frame  an apparatus for continuous extension in treatment of fractures of the femur, consisting of an overhead bar, with pulleys attached, by which the leg is supported in a sling.
Bradford frame  a canvas-covered, rectangular frame of pipe; used as a bed frame in disease of the spine or thigh.
quadriplegic standing frame  a device for supporting in the upright position a patient whose four limbs are paralyzed.
Stryker frame  one consisting of canvas stretched on anterior and posterior frames, on which the patient can be rotated around their longitudinal axis.
trial frame  an eyeglass frame designed to permit insertion of different lenses used in correcting refractive errors of vision.

trial frame
n.
An adjustable frame that holds trial lenses used during retinoscopy or refraction tests on the eye.

trial frame 
Spectacle frame with variable adjustments for interpupillary distance, side length, etc. in which each lens rim is fitted with a number of cells into which trial lenses can be placed when testing vision (Fig. T18). See phoropter; Simultantest.
Fig. T18 Trial frameenlarge picture
Fig. T18 Trial frame


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During their month-long trial Frame, Sean Mackey, 23, and Desmond Ryan, 22, both from Co Dublin, and Dermot Laide, 22, from Co Monaghan, have pleaded not guilty to both charges.
Somec offers both standard and custom road and Time Trial frames using only Columbus and Dedacciai carbon, aluminum, and steel.
Prior to the selection of the AAC-3, COMCOR offered a trial frame relay service directly from ATM switches.
 
 
 
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