Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,517,426,163 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

trial frame

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.54 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


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Email
Feedback
Add definition
? Mentioned in
 
Medical browser? ? Full browser
 
 
Medical Dictionary
?

Disclaimer | Privacy policy | Feedback | Copyright © 2009 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.