dioptometer

[dahy-op-tom-i-ter]

noun Ophthalmology.

an instrument for measuring the refraction of the eye.

Origin of dioptometer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for dioptometer

dioptometer

noun

an instrument for measuring ocular refraction
Derived Formsdioptometry, noun

Word Origin for dioptometer

from di- ² + opt (ic) + meter
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