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diopsimeter

[dahy-uh p-sim-i-ter]

noun Ophthalmology.

an instrument for measuring the field of vision.

Origin of diopsimeter

di-³ + Greek ops- (stem of ópsis) sight, vision + -i- + -meter

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