optometer

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optometer

(ɒpˈtɒmɪtə)
n
(Medicine) any of various instruments for measuring the refractive power of the eye
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

op·tom·e·ter

n. optómetro, instrumento usado para medir el poder de refracción del ojo.
English-Spanish Medical Dictionary © Farlex 2012
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References in periodicals archive ?
Eye Testing Equipment Market by Device {Slit Lamp, Biometer, Perimeter, Tonometer, Optical Coherence Tomography (OCT), Fundus Camera, Autorefractor and Keratometer, and Other Devices}, Global Opportunity Analysis and Industry Forecast, 2017-2025
The company's autorefractor technology isn't exactly new and can be found in any optometrist's office.
[USPRwire, Thu Sep 27 2018] Auto keratometer, or an autorefractor keratometer, is a device used for the measurement of cornea anterior surface curvature across a fixed chord length.
[ClickPress, Wed Sep 26 2018] Auto keratometer, or an autorefractor keratometer, is a device used for the measurement of cornea anterior surface curvature across a fixed chord length.
In cases where measurements could not be made using these devices, A-scan ultrasonography was used and keratometry values were calculated using an autorefractor keratometer.
An autorefractometer (RM-8800 Autorefractor, Topcon, Tokyo, Japan) was used for keratometry measurements and objective refraction.
But this longstanding method of using a trial case to obtain a prescription is still preferred, yet to be replaced by an autorefractor. This is the key part of the exam where we establish the patient's needs for perfect sight, where we can fine tune the prescription based on patient responses.
These parameters were measured at 25 cm, 40 cm, and 6 m with an infrared autorefractor (Grand Seiko WAM-5500 autorefractor, Grand Seiko, Co., Japan) at a rate of 5 times per second [18-20].
He said: "When the doctor called me in, he asked me about my condition and asked me to bear with him because it had been such a long time since he'd used the autorefractor.
A machine called an autorefractor will measure how well your eyes focus, and a tonometer, which uses a puff of air to check your eye pressure, can help to pick up early signs of glaucoma.

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