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verre defocalisateur

English translation: "defocusing lens" and "iridopupillary diameter"

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18:40 Aug 15, 2000
French to English translations [PRO]
Medical
French term or phrase: verre defocalisateur
This is in the context of an opthalmological exam, and is used in the "test de Weiss". The term "defocalisation" also appears.
Also, "blanc a blanc", as in "la taille du blanc a blanc est 11.25 mm". Is this the sclera?
mingram
English translation:"defocusing lens" and "iridopupillary diameter"
Explanation:
1) See the web site below, at Abstract No. 29: "…Likewise, the recordable pattern electroretinogram (PERG) in retiniths-pigmentosa (RP) patients was extinguished by applying a +3.0 diopter defocusing lens…"

2) "iridopupillary diameter" refers to the combined diameter of the iris and the pupil, as measured from a point on one side of the outer circumference of the iris to a corresponding point on the other side, along a line that passes through the center of the pupil. Here, the phrase "taille blanc a blanc" ("size from white to white" or, as you correctly guessed, "...sclera to sclera" ) seems to be a shorthand term. In any case, the distance of 11.25 mm is well within the standard anthropometric range for iridopupillary diameters. -- Hope this helps!

Selected response from:

Heathcliff
United States
Local time: 19:38
Grading comment
4 KudoZ points were awarded for this answer

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Summary of answers provided
naPS -- that should be "retinitis," of course,Heathcliff
na"defocusing lens" and "iridopupillary diameter"Heathcliff
nadefocusing lens
John Garside


  

Answers


42 mins
defocusing lens


Explanation:
Termium defines "défocalissation" as:

DEF*The change of focus of a lens so that the resulting image will be out of focus.

EuroDicAutom gives similar results

I couldn't find anything on "blanc de blanc"

Hope this is of some help!

John


    Reference: http://www.orie.cornell.edu/~sid/Weiss.htm
    Reference: http://salmon.psy.plym.ac.uk/year1/weisstest.htm
John Garside
Canada
Local time: 22:38
Native speaker of: Native in EnglishEnglish, Native in FrenchFrench
PRO pts in pair: 81

Peer comments on this answer (and responses from the answerer)
Heathcliff
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3 hrs
"defocusing lens" and "iridopupillary diameter"


Explanation:
1) See the web site below, at Abstract No. 29: "…Likewise, the recordable pattern electroretinogram (PERG) in retiniths-pigmentosa (RP) patients was extinguished by applying a +3.0 diopter defocusing lens…"

2) "iridopupillary diameter" refers to the combined diameter of the iris and the pupil, as measured from a point on one side of the outer circumference of the iris to a corresponding point on the other side, along a line that passes through the center of the pupil. Here, the phrase "taille blanc a blanc" ("size from white to white" or, as you correctly guessed, "...sclera to sclera" ) seems to be a shorthand term. In any case, the distance of 11.25 mm is well within the standard anthropometric range for iridopupillary diameters. -- Hope this helps!




    Reference: http://www.lfhk.cuni.cz/udalosti/iscev98/abs.htm
    Dorland's Illustrated Medical Dictionary (28th ed., 1994)
Heathcliff
United States
Local time: 19:38
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 953
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3 hrs
PS -- that should be "retinitis," of course,


Explanation:
in the phrase "retinitis pigmentosa." (dratted finger-fade!)

Heathcliff
United States
Local time: 19:38
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 953
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