1. ISHIHARA COLOUR PLATES – 38 SET. Plate 1. Everyone should see number Plate 2. Normal view: 8. Red-green deficiency: 3. Plate 3. Normal view: 6. ISHIHARA COLOR BLINDNESS TEST PLATE 1. Page 2. ISHIHARA COLOR BLINDNESS TEST PLATE 2. Page 3. ISHIHARA COLOR BLINDNESS TEST. SHINOBU ISHIHARA M. D., Dr. Med. Sc. Professor Emeritus 38 Plates Edition. X. 18 This series of plates is designed to provide a test which gives a Most cases of congenital colour vision deficiency are characterized by a.

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And at the end—if you like—you can even share your test result with your friends. I believe that this scanned plates have some shifts in color. Only people with good color vision can see the sign.

As this test is only made to check for red-green color blindnessfilegype other form of CVD can not be detected. Dr Shinobu Ishihara introduced in —almost years ago—the most well known color blindness test.

Ishihara’s Test for Colour Deficiency: 38 Plates Edition

If you can see all of them you are definitely color abnormal, as some of them should only be seen by colorblind people and others only by non-colorblind ones: Only colorblind people are able to spot the sign. But nevertheless this ishihara color blindness test 38 plates filetype are still in use in the absence of any better and still affordable color vision test. If you would like to see all the 38 plates in an overview, you can find them at Ishihara Test for Colour Deficiency — 38 Plates Edition.


There exist four different types of plates: This way they can see how you performed and try the test themselves if they like to. Hereafter the 38 Ishihara Plates will be shown. This is used to differentiate between red- and green-blind persons.

Ishihara’s Test for Colour Deficiency: 38 Plates Edition | Colblindor

The colors are not exactly the same as in the original version. This test consist of scanned plates.

Color blind people will see a different sign than people with no color vision handicap. You also have to consider, that every computer screen teet different color settings and therefore the test results might alter between different trials. Start the online color blindness test right here: Since then this is the most widely used color vision deficiency test and still used by most optometrists and ophthalmologists all around the world. First test plate of the Ishihara CVD test.

The vanishing design is used on either side of the plate, one side for deutan defects an the other for protans. ishihara color blindness test 38 plates filetype

Ishihara 38 Plates CVD Test

The original Ishihara color blindness ishihara color blindness test 38 plates filetype was introduced in early last century and since then, it is by far the most well known color vision deficiency test all around the world.

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Each of his tests consists of a set of colored dotted plates, each of them showing either a number or a path. This test is actually designed to be used in a booklet and is usually executed by an eye doctor. The online test is based on the 38 plates edition and will give you a little feedback at the end of the test.

If you would like to take an online test, please visit my collection of Online Color Blindness Tests.

Skip to main content. It is also well known, that even people with normal color vision sometimes struggle with this test.

Shinobu Ishihara from Japan produced three different test sets which are widely used and which all based on the same pseudoisochromatic plates. There are other color blindness tests available, but none of them is as famous as the Ishihara plates. Skip to main content. But I have made an onlince version of the test, available right here on Colblindor.