phoropter

English dictionary entry

Meanings

noun
  1. An instrument used in eye examinations to determine an individual's prescription, the patient looking through various lenses at a chart on the other side.

Word forms

phoropter phoropters

Etymology

From a trademark.

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.