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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Each of his tests consists of a set of colored dotted plates, each of them showing either a number or a path. Dr Shinobu Ishihara introduced in —almost years ago—the most well known color blindness test. Skip to main content. This is used to differentiate between red- and green-blind persons. If you can see all of them you are definitely color abnormal, as some of them should only be seen by colorblind people blibdness others only by non-colorblind ones: This test is actually designed to be used in a booklet and is usually executed by an eye doctor.

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

But nevertheless this plates are still in use in the absence of any better and still affordable color vision test. This test consist of scanned plates.


Skip to main content. There exist four different types of plates: Shinobu Ishihara from Japan produced three different test sets which are widely used and which all based on the same pseudoisochromatic plates. I believe that this scanned ishibara have some shifts in color. But I have made an onlince version of the test, available right here on Colblindor.

Hereafter the 38 Ishihara Plates will be shown. Only people with good color vision can see the sign. 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.

The colors are not exactly the same as in the original version. Color blind people will see a different sign than people with no color vision handicap.

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. If you would like to take an online test, please visit my collection of Blindnesss Color Blindness Tests. Only colorblind people are able to spot the sign.

Ishihara’s Test for Colour Deficiency: 38 Plates Edition

You also have to consider, that every computer screen has different color settings and therefore the test results might alter between different trials. There are other color blindness tests available, but none of them is as blindnews as the Ishihara plates. 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 38 Plates CVD Test – Colblindor

The online test is based on the 38 plates edition and will give you a little feedback at the end of the test. It is also well known, that even people with normal color vision sometimes struggle with this test.

Since then this is the most widely used color plaes deficiency test and still used by most optometrists and ophthalmologists all around the world. This way they can see how fiketype performed and try the test themselves if they like to. Start the online color blindness test right here: As this test is only made to check for red-green color blindnessany other form of CVD can not be detected.

And at the end—if you like—you can even share filrtype test result with your friends.