| 释义 |
Ishihara Ophthalm.|ɪʃɪˈhɑːrə|
The name of Shinobu Ishihara (1879–1963), Japanese ophthalmologist, used attrib. with reference to a test for colour-blindness (the Ishihara test) devised by him in 1917, in which the subject is asked to name the numbers in (or, for illiterates, to distinguish pathways through) a series of printed plates (Ishihara plates), in each of which the numbers or pathways are formed of coloured spots in a background of spots of a different colour or colours; so Ishihara-blind adj., Ishihara method, etc.
1924Amer. Jrnl. Physiol. Optics V. 269 (heading) The Ishihara test for color blindness. 1944Amer. Jrnl. Physiol. CXL. 578 The color vision was tested by the Ishihara method. Ibid. 579 Twelve of the ‘Ishihara blind’ students were trichromats. Ibid., The Ishihara test gave a correct diagnosis. 1968C. Beard et al. Symposium Surg. & Med. Managem. Congenital Anomalies Eye xvi. 423 In the Ishihara plates the colors of the test symbols and of the background are of such saturation, hue, and brightness that they are regularly confused by either the deutan or protan or both. Ibid. 425 The tracing plates in the Ishihara test..are useful for young children and illiterates. |