TERMIUM Plus®

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

BACK OPTIC ZONE DIAMETER [1 record]

Record 1 2014-09-19

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Orthoses
  • Prostheses
  • The Eye
Universal entry(ies)
Ø0
see observation, symbol
OBS

The diameter of the back optic zone on a surface with a single optical component.

OBS

On a toroidal zone, there will be two values.

OBS

back optic zone diameter: term used for the measurement of contact lenses.

OBS

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

OBS

In the symbol, the number "0" is written in subscript (Ø0).

OBS

back optic zone diameter: term standardized by the International Organization for Standardization (ISO) in 2006.

Key term(s)
  • back optic zone diametre

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Orthèses
  • Prothèses
  • Oeil
Entrée(s) universelle(s)
Ø0
see observation, symbol
OBS

[Se dit] d'une surface ne comportant qu'un seul composant optique.

OBS

Une zone toroïdale comporte deux valeurs.

OBS

diamètre de la zone optique postérieure : mesure s'appliquant aux lentilles de contact.

OBS

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

OBS

Dans le symbole, le chiffre «0» s'écrit en indice (Ø0).

OBS

diamètre de la zone optique postérieure : terme normalisé par l'Organisation internationale de normalisation (ISO) en 2006.

Spanish

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