Search results
Results from the WOW.Com Content Network
The Ishihara test is a color vision test for detection of red–green color deficiencies. It was named after its designer, Shinobu Ishihara, a professor at the University of Tokyo, who first published his tests in 1917. [2] The test consists of a number of Ishihara plates, which are a type of pseudoisochromatic plate.
An Ishihara test image as seen by subjects with normal color vision and by those with a variety of color deficiencies. A pseudoisochromatic plate (from Greek pseudo, meaning "false", iso, meaning "same" and chromo, meaning "color"), often abbreviated as PIP, is a style of standard exemplified by the Ishihara test, generally used for screening of color vision defects.
Eight Ishihara charts for testing colour blindness, Europe, 1917-1959 Colour blindness is tested using these eight placards. They are known as Ishihara charts. They are named after their inventor, Japanese ophthalmologist Shinobu Ishihara (1897–1963). Each image consists of closely packed coloured dots and a number.
An Ishihara test image as seen by subjects with normal color vision and by those with a variety of color deficiencies. The main method for diagnosing a color vision deficiency is in testing the color vision directly. The Ishihara color test is the test most often used to detect red–green deficiencies and most often recognized by the public. [1]
Basiert auf Datei:Ishihara 2.svg und Datei:Wikipedia-logo-v2-de.svg Achtung: Ich musste mich mit dem Java-Programm "Color Oracle" behelfen, weil ich keine Quelle dazu gefunden habe, welche Helligkeiten von Grün und Rot von Betroffenen als identisch wahrgenommen werden.
The following other wikis use this file: Usage on af.wikipedia.org Ishihara-toets; Usage on az.wikipedia.org Daltonizm; Usage on be.wikipedia.org
The commonly used Ishihara test is used to detect mainly congenital red-green color blindness, but its usefulness is limited in detecting acquired color vision deficiencies. [3] But City University test contains test plates that can be used to detect all types of color vision deficiencies. [ 4 ]
What links here; Upload file; Special pages; Printable version; Page information; Get shortened URL; Download QR code