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POTENCIA ASTIGMATICA [1 record]

Record 1 2017-03-24

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Optical Glass
  • The Eye
Universal entry(ies)
C
symbol, see observation
DEF

The difference between the powers in the two principal meridians.

OBS

Astigmatic power is expressed in D or dpt [(dioptres)], or in reciprocal metres (m-1).

OBS

C: This symbol should be italicized.

OBS

astigmatic power; cylindrical power; C: terms, symbol and definition standardized by ISO.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Verres d'optique
  • Oeil
Entrée(s) universelle(s)
C
symbol, see observation
DEF

Différence entre les puissances dans les deux méridiens principaux.

OBS

La puissance astigmatique est exprimée en D ou dpt [(dioptries)] ou en mètres réciproques (m-1).

OBS

C : Ce symbole devrait être en italique.

OBS

puissance astigmatique; astigmatisme; C : termes, symbole et définition normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Medición y análisis (Ciencias)
  • Vidrios ópticos
  • Ojo
Entrada(s) universal(es)
C
symbol, see observation
DEF

Máxima diferencia de la potencia refrigente entre dos meridianos perpendiculares a cada uno y al eje de enfoque.

OBS

Está expresada en metros a la menos uno (m-1).

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