prisoptometer
noun1
Historical A device containing a double prism, used to measure refraction and thus diagnose anomalies in a patient's vision.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Historical A device containing a double prism, used to measure refraction and thus diagnose anomalies in a patient's vision.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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