retinoscopy
(rɛtɪˈnɒskəpɪ)
[f. retina + -scopy.]
The method of examining the eye, for refraction, by the observation of the movement of a shadow on the retina, caused by the rotation of the mirror of the ophthalmoscope.
| 1884 Encycl. Brit. XVII. 787/1 Retinoscopy..is useful in determining and correcting the refraction where the patients are..too stupid to assist with their answers. 1893 Brit. Med. Jrnl. 30 Sept. 734 A patient for whom a correction could not be found by the ordinary method of retinoscopy. |