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- Optical_power abstract "Optical power (also referred to as dioptric power, refractive power, focusing power, or convergence power) is the degree to which a lens, mirror, or other optical system converges or diverges light. It is equal to the reciprocal of the focal length of the device: P = 1/f. High optical power corresponds to short focal length. The SI unit for optical power is the inverse metre (m−1), which is commonly called the dioptre.Converging lenses have positive optical power, while diverging lenses have negative power. When a lens is immersed in a refractive medium, its optical power and focal length change.For two or more thin lenses close together, the optical power of the combined lenses is approximately equal to the sum of the optical powers of each lens: P = P1 + P2. Similarly, the optical power of a single lens is roughly equal to the sum of the powers of each surface. These approximations are commonly used in optometry.An eye that has too much or too little refractive power to focus light onto the retina has a refractive error. A myopic eye has too much power so light is focused in front of the retina. Conversely, a hyperopic eye has too little power so when the eye is relaxed, light is focused behind the retina. An eye with a refractive power in one meridian that is different from the refractive power of the other meridians has astigmatism. Anisometropia is the condition in which one eye has a different refractive power than the other eye.".
- Optical_power wikiPageID "3331228".
- Optical_power wikiPageLength "2371".
- Optical_power wikiPageOutDegree "26".
- Optical_power wikiPageRevisionID "659087509".
- Optical_power wikiPageWikiLink Anisometropia.
- Optical_power wikiPageWikiLink Astigmatism_(eye).
- Optical_power wikiPageWikiLink Category:Optics.
- Optical_power wikiPageWikiLink Converging_lens.
- Optical_power wikiPageWikiLink Dioptre.
- Optical_power wikiPageWikiLink Diverging_lens.
- Optical_power wikiPageWikiLink Focal_length.
- Optical_power wikiPageWikiLink Focus_(optics).
- Optical_power wikiPageWikiLink Human_eye.
- Optical_power wikiPageWikiLink Hyperopia.
- Optical_power wikiPageWikiLink Hyperopic.
- Optical_power wikiPageWikiLink Inverse_metre.
- Optical_power wikiPageWikiLink Lens_(optics).
- Optical_power wikiPageWikiLink Lens_clock.
- Optical_power wikiPageWikiLink Lensmeter.
- Optical_power wikiPageWikiLink Medium_(optics).
- Optical_power wikiPageWikiLink Meridian_(perimetry,_visual_field).
- Optical_power wikiPageWikiLink Mirror.
- Optical_power wikiPageWikiLink Multiplicative_inverse.
- Optical_power wikiPageWikiLink Myopia.
- Optical_power wikiPageWikiLink Myopic.
- Optical_power wikiPageWikiLink Optical_medium.
- Optical_power wikiPageWikiLink Optometry.
- Optical_power wikiPageWikiLink Plate_scale.
- Optical_power wikiPageWikiLink Reciprocal_length.
- Optical_power wikiPageWikiLink Refractive_error.
- Optical_power wikiPageWikiLink Retina.
- Optical_power wikiPageWikiLink Thin_lens.
- Optical_power wikiPageWikiLink Vergence_(optics).
- Optical_power wikiPageWikiLink Vertometer.
- Optical_power wikiPageWikiLinkText "Optical power".
- Optical_power wikiPageWikiLinkText "Power".
- Optical_power wikiPageWikiLinkText "dioptric power".
- Optical_power wikiPageWikiLinkText "focal power".
- Optical_power wikiPageWikiLinkText "lens power".
- Optical_power wikiPageWikiLinkText "magnification power".
- Optical_power wikiPageWikiLinkText "optical power".
- Optical_power wikiPageWikiLinkText "power".
- Optical_power wikiPageWikiLinkText "refractive power".
- Optical_power wikiPageWikiLinkText "strengths".
- Optical_power hasPhotoCollection Optical_power.
- Optical_power wikiPageUsesTemplate Template:For.
- Optical_power wikiPageUsesTemplate Template:Optics-stub.
- Optical_power subject Category:Optics.
- Optical_power hypernym Degree.
- Optical_power type University.
- Optical_power type Science.
- Optical_power comment "Optical power (also referred to as dioptric power, refractive power, focusing power, or convergence power) is the degree to which a lens, mirror, or other optical system converges or diverges light. It is equal to the reciprocal of the focal length of the device: P = 1/f. High optical power corresponds to short focal length.".
- Optical_power label "Optical power".
- Optical_power sameAs Potència_òptica.
- Optical_power sameAs Optická_mohutnost.
- Optical_power sameAs Οπτική_ισχύς.
- Optical_power sameAs Potencia_(óptica).
- Optical_power sameAs Puissance_optique.
- Optical_power sameAs Օպտիկական_ուժ.
- Optical_power sameAs Daya_optis.
- Optical_power sameAs 屈折力.
- Optical_power sameAs Линзаның_оптикалық_күші.
- Optical_power sameAs Оптичка_моќ.
- Optical_power sameAs Linsestyrke.
- Optical_power sameAs Zdolność_skupiająca.
- Optical_power sameAs m.09674q.
- Optical_power sameAs Putere_optică.
- Optical_power sameAs Оптическая_сила.
- Optical_power sameAs Optická_mohutnosť.
- Optical_power sameAs Оптична_сила.
- Optical_power sameAs Q559265.
- Optical_power sameAs Q559265.
- Optical_power sameAs 光學倍率.
- Optical_power wasDerivedFrom Optical_power?oldid=659087509.
- Optical_power isPrimaryTopicOf Optical_power.