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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Start the online colir blindness test right here: But I have made an onlince version of the test, available right here on Colblindor.

Dr Shinobu Ishihara introduced in —almost years ago—the most well known color blindness test.

I believe that this scanned plates have some shifts in color. Hereafter the 38 Ishihara Plates will be shown.

Ishihara’s Test for Colour Deficiency: 38 Plates Edition

Only people with good color vision can see the sign. You also have to consider, that every computer screen has different color settings and therefore the test results might alter between different trials.

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. It is also well known, that even people with normal color vision sometimes struggle with this test. The original Ishihara color blindness test 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.


And at the end—if you like—you can even share your test result with your friends. The online test is based on the 38 plates edition and will give you a little feedback at the end of the test.

Ishihara 38 Plates CVD Test

This test is actually designed to be used in a booklet and is usually executed by an eye doctor. There are other color blindness tests available, but none ishiara them is as famous as the Ishihara plates. There exist four different types of plates: Skip to main content. This test consist of scanned plates.

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

This way they can see how you performed and try the test themselves if they like to. As this test is only made to check for red-green color blindnessany other form of CVD can not be detected. First test plate of the Ishihara CVD test. Skip to main content. The vanishing design is used on either side of the plate, one side for deutan defects an the other for protans. Color blind people will see a different sign than people with no color vision handicap.


The colors are not exactly the same as in the original version. Only colorblind people are able to spot the sign.

Ishihara 38 Plates CVD Test – Colblindor

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: Since then this is the most widely used color vision deficiency test and still used by most optometrists and ophthalmologists all around the world.

Shinobu Ishihara from Japan produced three different test sets which are widely used and which all based on the same pseudoisochromatic plates. Ishihraa of his tests consists of a set of colored dotted plates, each of them showing either a number or a path. This is used to differentiate between red- and green-blind persons. But nevertheless this plates are still in use in the absence of any better and still affordable color vision test.

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