Ishiharan.

/ɪʃɪˈhɑːrə/

Etymology: < the name of Shinobu Ishihara (1879–1963), Japanese ophthalmologist.

Ophthalmology.

Used attributively with reference to a test for colour-blindness (the Ishihara test) devised by Ishihara 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.

ΘΚΠ

the world > health and disease > healing > diagnosis or prognosis > tests > [noun] > tests for eye disorders

Scheiner's experiment1870

Holmgren's test1879

Ishihara test1924

Schirmer test1935

1924 Amer. Jrnl. Physiol. Optics 5 269 (heading) The Ishihara test for color blindness.

1944 Amer. Jrnl. Physiol. 140 578 The color vision was tested by the Ishihara method.

1944 Amer. Jrnl. Physiol. 140 579 Twelve of the ‘Ishihara blind’ students were trichromats.

1944 Amer. Jrnl. Physiol. 140 579 The Ishihara test gave a correct diagnosis.

1968 C. 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.

1968 C. Beard et al. Symposium Surg. & Med. Managem. Congenital Anomalies Eye xvi. 425 The tracing plates in the Ishihara test..are useful for young children and illiterates.

This entry has not yet been fully updated (first published 1976; most recently modified version published online September 2018).

单词	ishihara
释义	Ishiharan. /ɪʃɪˈhɑːrə/ Etymology: < the name of Shinobu Ishihara (1879–1963), Japanese ophthalmologist. Ophthalmology. Used attributively with reference to a test for colour-blindness (the Ishihara test) devised by Ishihara 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. ΘΚΠ the world > health and disease > healing > diagnosis or prognosis > tests > [noun] > tests for eye disorders Scheiner's experiment1870 Holmgren's test1879 Ishihara test1924 Schirmer test1935 1924 Amer. Jrnl. Physiol. Optics 5 269 (heading) The Ishihara test for color blindness. 1944 Amer. Jrnl. Physiol. 140 578 The color vision was tested by the Ishihara method. 1944 Amer. Jrnl. Physiol. 140 579 Twelve of the ‘Ishihara blind’ students were trichromats. 1944 Amer. Jrnl. Physiol. 140 579 The Ishihara test gave a correct diagnosis. 1968 C. 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. 1968 C. Beard et al. Symposium Surg. & Med. Managem. Congenital Anomalies Eye xvi. 425 The tracing plates in the Ishihara test..are useful for young children and illiterates. This entry has not yet been fully updated (first published 1976; most recently modified version published online September 2018). < n.1924
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