TERMIUM Plus®

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Consult the Government of Canada’s terminology data bank.

BACK VERTEX POWER [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-12-05

English

Subject field(s)
  • Visual Disorders
  • Optical Glass
DEF

Reciprocal of the focal length, in metres, of the optic zone(s) of the lens, measured in air, or calculated for the lens, from the back vertex of the lens.

OBS

back vertex power: term and definition standardized by ISO.

French

Domaine(s)
  • Troubles de la vision
  • Verres d'optique
DEF

Inverse de la longueur focale, en mètres, de la zone (des zones) optique(s) de la lentille mesurée, ou calculée pour la lentille, dans l'air à partir du sommet postérieur de la lentille.

OBS

puissance frontale arrière : terme et définition normalisés par l'ISO.

Spanish

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