optometer From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAn instrument for measuring the focus of the lens of the eye. Related wordsSynonymsoptimeteropsiometerdioptometerfocimeterauxetometerauxometerphakoscopeophthalmometerexophthalmometeraccommodometervertometeroculometerautoscopelensometerpupilometerentoptoscope References Wiktionary — optometer Wikipedia — optometer