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bn:01827690n
Noun Concept
Categories: Measuring instruments, Articles with short description, Optometry, Ophthalmic equipment, Ophthalmology
EN
phoropter  Manual refractor  Manual refractors  Phoroptor  Refractor
EN
A phoropter or refractor is an ophthalmic testing device. Wikipedia
Definitions
Relations
Sources
EN
A phoropter or refractor is an ophthalmic testing device. Wikipedia
ophthalmic testing device Wikidata
IS A
medical device
HAS KIND
optometer
USE
subjective refraction
Wikipedia
EN
phoropter
Wikidata
EN
phoropter
Wikipedia Redirections
EN
Manual refractor, Manual refractors, Phoroptor, Refractor (ophthalmic instrument)

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