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dioptometer

[ dahy-op-tom-i-ter ]

noun

, Ophthalmology.
  1. an instrument for measuring the refraction of the eye.


dioptometer

/ ˌdaɪɒpˈtɒmɪtə /

noun

  1. an instrument for measuring ocular refraction


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Derived Forms

  • ˌdiopˈtometry, noun
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Word History and Origins

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Word History and Origins

Origin of dioptometer1

from di- ² + opt ( ic ) + meter

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diopterdioptre