Risley prism

Risley prism
Ris·ley prism (rizґle) [Samuel Doty Risley, American ophthalmologist, 1845–1920] see under prism.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Risley prism — a prism that rotates in a metal frame marked with a scale; used in testing ocular muscles for imbalance …   Medical dictionary

  • Prism (optics) — For other uses, see Prism (disambiguation). A plastic prism In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. The exact angles between the surfaces depend on the application. The traditional… …   Wikipedia

  • prism — A transparent solid, with sides that converge at an angle, that deflects a ray of light toward the thickest portion (the base) and splits white light into its component colors; in spectacles, a p. corrects ocular muscle im …   Medical dictionary

  • Risley — Samuel D., U.S. ophthalmologist, 1845–1920. See R. rotary prism …   Medical dictionary

  • prisma de Risley — Eng. Risley s prism Prisma que se emplea para el examen del desequilibrio de los músculos oculares …   Diccionario de oftalmología

  • RPP — abbr. Risley Prism Pair …   Dictionary of abbreviations

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