# phoropter

> English word · Noun

## Definitions
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.

## Etymology
From a trademark.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/phoropter