| 释义 |
ophthalmometer|ɒfθælˈmɒmɪtə(r)|
[f. ophthalmo- + -meter.]
a. See quot. 1842.
b. An instrument devised by Helmholtz for measuring the curvatures of the (living) eye by means of images reflected in it.
1842Dunglison Med. Lex., Ophthalmometer,..An instrument of the nature of compasses, invented by F. Petit, for measuring the capacity of the..chambers of the eye in anatomical experiments. 1864tr. Donders' Anom. Accommod. Eye 17 Helmholtz constructed a peculiar instrument, called by him the ophthalmometer for the purpose of determining the magnitude of the reflected images. 1895Daily News 27 Feb. 6/5 Before Helmholz's inventions of the ophthalmoscope and the ophthalmometer, ‘no one had ever seen a living retina at its task’.
So ophthalmoˈmetric a., relating to measurement of the eye; ophthalˈmometry, measurement of the eye.
1899Daily News 23 Feb. 5/1 The ‘Dioptric and Ophthalmometric Review’. 1883Contemp. Rev. Mar. 407 The startling and unexpected results of ophthalmometry. |