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单词 dioptric
释义

dioptric

/dʌɪˈɒptrɪk /
adjective
Relating to the refraction of light, especially in the organs of sight or in devices which aid or improve the vision.The dioptric power of this liquid lens depends on the refractive indices of the materials and the radius of curvature of the interface....
  • The dioptric system helps focus the image on the retina.
  • If the lens had an index of 1.53, the dioptric value of that radius of curvature would be 4.64 diopters.

Origin

Mid 17th century: from Greek dioptrikos, from dioptra, a kind of theodolite (see dioptre).

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更新时间:2024/12/23 6:17:36