TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

back central optic zone radius [1 record]

Record 1 2023-05-16

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Orthoses
  • Prostheses
  • The Eye
Universal entry(ies)
r0
symbol, see observation
DEF

The radius of curvature of the back central optic zone of a multifocal contact lens.

OBS

In the symbol, the letter "r" is italicized and the number "0" is written in subscript (r0).

OBS

Glasses and contact lenses are considered to be either visual orthotic devices or visual prosthetic devices.

OBS

back central optic zone radius: term and definition standardized by the International Organization for Standardization (ISO) in 2006.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Orthèses
  • Prothèses
  • Oeil
Entrée(s) universelle(s)
r0
symbol, see observation
DEF

Rayon de courbure de la zone optique centrale postérieure d'une lentille de contact multifocale.

OBS

Dans le symbole, la lettre «r» s'écrit en italique, et le chiffre «0» s'écrit en indice (r0).

OBS

Les lunettes et les lentilles de contact sont considérées comme étant soit des orthèses visuelles, soit des prothèses visuelles.

OBS

rayon de la zone optique centrale postérieure : terme et définition normalisés par l'Organisation internationale de normalisation (ISO) en 2006.

Spanish

Save record 1

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: