Definition of opsiometer Opsiometer
We found 3 definitions of opsiometer from 3 different sources.
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What does opsiometer mean?
Wiktionary 
- opsiometer (Noun)
An old instrument for measuring vision and determining the focal length of a lens that can correct an individual's imperfect eyesight.
Webster DictionaryWebster's Unabridged Dictionary 📘
- opsiometer (n.)
An instrument for measuring the limits of distincts vision in different individuals, and thus determiming the proper focal length of a lens for correcting imperfect sight.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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opsiometer
op-si-om′e-tėr, n. an optometer
