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optometer

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optometer
optometer (ɒpˈtɒmɪtə(r)) [opto- + -meter.] A name of instruments of various kinds, for measuring or testing vision, in respect of range, acuteness, perception of form or colour, etc.; esp. one for measuring the refractive power of the eye and thus testing long- or short-sightedness.1738 W. Porterfie... Oxford English Dictionary
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Optometer
Optometer may refer to: Autorefractor, a modern electronic instrument for automatically refracting vision for eyeglasses. Optometer (ophthalmic instrument), the earliest name for a phoropter, for refracting vision for eyeglasses. wikipedia.org
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Optometer (ophthalmic instrument)
The optometer was a device used for measuring the necessary spherical and/or cylindrical corrections to be prescribed for eyeglasses, from the middle of When the optometer and were combined into single instruments, the modern refractor/phoropter was born. wikipedia.org
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opsiometer
opsiometer (ɒpsɪˈɒmɪtə(r)) [mod. f. Gr. ὄψι-ς sight + -ometer.] = optometer.1842 Brande Dict. Sci. etc., Opsiometer, an instrument for measuring the extent of the limits of distinct vision in different individuals, and consequently for determining the focal lengths of lenses necessary to correct imp... Oxford English Dictionary
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optometry.
optometry. [f. optometer: see -metry.] The measurement of the visual powers; the use and application of the optometer; also, the occupation concerned with the measurement of the refractive power of the eyes and the prescription of corrective lenses.1886 C. M. Culver tr. Landolt's Refraction & Accomm... Oxford English Dictionary
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Optometry
The word entered the language when the instrument for measuring vision was called an optometer, (before the terms phoropter or refractor were used). Although the term optometer appeared in the 1759 book A Treatise on the Eye: The Manner and Phenomena of Vision by Scottish physician William Porterfield wikipedia.org
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chromato-
chromato- (ˈkrəʊmətəʊ) Before a vowel chromat-. Combining form of Gr. χρῶµα colour, as in ˈchromatochyme Biol. [chyme], an aggregate of pigment-cells; chromaˈtocracy nonce-wd., a ruling class of a particular colour, e.g. of white men; ˈchromatocyte Biol. [-cyte], a pigment-cell; chromaˈtogenous a. P... Oxford English Dictionary
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Phoropter
, which cannot, starts in the mid-1910s, with the introduction of the Ski-optometer by Nathan Shigon, and the Phoro-optometer by Henry DeZeng. There is no evidence this was ever manufactured, but in 1915 he filed for a patent for a binocular version of this same optometer, and called it the Ski-Optometer wikipedia.org
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Karl August Burow
Ein neues Optometer : Mit 3 lithogr. Tafeln, 1863 – A new optometer: with 3 lithographs. wikipedia.org
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presbyopic
presbyopic, a. (n.) (-ˈɒpɪk) [f. as prec. + -ic.] Pertaining to or affected with presbyopia. (In the same sense ‖ presbyops has been used).1801 Home in Phil. Trans. XCII. 6, I adapted the optometer..to presbyopic eyes. [1803 tr. Heberden's Comm. lxvi. (ed. 2) 330 A violent giddiness has suddenly mad... Oxford English Dictionary
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Christian Georg Theodor Ruete
Der Augenspiegel und das Optometer für practische Aerzte, 1852 – The ophthalmoscope and the optometer for physicians. wikipedia.org
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Herschel Leibowitz
In the early 1970s, for example, Leibowitz's lab developed the laser optometer and used it to advance our basic understanding of the eyes’ focusing behavior wikipedia.org
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Light meter
When the word light meter or photometer is used in place of radiometer or optometer, or it is often assumed the system was configured to see only visible wikipedia.org
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