| 释义 |
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.
1738W. Porterfield in Med. Ess. & Observ. (ed. 2) IV. 185 The Instrument formerly mentioned; which..I have called an Optometer. 1801Young in Trans. R. Soc. 34. 1801 Home in Phil. Trans. XCII. 5 Dr. Young..constructed an optometer, upon the principle of that of Dr. Porterfield. 1879Handbk. Univ. Oxford 59 In this apartment are being collected instruments of Diagnosis, Ophthalmoscopes, Optometers [etc.]. 1886Leeds Merc. 15 Feb. 5/6 The spectroscopic optometer is available for the study of flames in the Bessemer converter. |