dioptometer

[ dahy-op-tom-i-ter ]
/ ˌdaɪ ɒpˈtɒm ɪ tər /

noun Ophthalmology.

an instrument for measuring the refraction of the eye.

Origin of dioptometer

British Dictionary definitions for dioptometer

dioptometer
/ (ˌdaɪɒpˈtɒmɪtə) /

noun

an instrument for measuring ocular refraction

Derived forms of dioptometer

dioptometry, noun

Word Origin for dioptometer

from di- ² + opt ( ic) + meter