Normal person see it as 97 while person with Red-green deficiency: most people don’t see anything or see something wrong. Normal person see it as 6 while person with Red-green deficiency: most people don’t see anything or see something wrong. Normal person see it as 2 while person with Red-green deficiency: most people don’t see anything or see something wrong. Normal person see it as 74 while person with Red-green deficiency see it as 21. Normal person see it as 15 while person with Red-green deficiency see it as 17. Normal person see it as 3 while person with Red-green deficiency see it as 5. Normal person see it as 5 while person with Red-green deficiency see it as 2. Normal person see it as 57 while person with Red-green deficiency see it as 35. Normal person see it as 29 while person with Red-green deficiency see it as 70. Normal person see it as 6 while person with Red-green deficiency see it as 5. Normal person see it as 8 while person with Red-green deficiency see it as 3. This plate is seen by everyone, with normal or abnormal red green colorblind. People with normal color vision should see different figures from people with color vision defect.įigures in these plates can be seen only by people with normal color vision.įigures in these plates can be seen only by people with color vision defect.įigures in these plates can be seen help to detect the severity intended to determine the type of color vision defect protanopia (red deficiency) or deuteranopia (green deficiency) and the severity of it. This plate is only for demonstration purposes, and usually not considered in making a score for screening purposes. This plate is seen by all individuals whether normal or color vision deficient. It typically has number "12” but also can be number “ 16”. This is the first plate and is called the Demonstration plate. Typical Ishihara test has 36 colored plates but there are also tests with 10, 14 or 24 plates. Some of the Ishihara plates are visible only to those with color vision deficiency and there are invisible to those with normal color vision. These dots are arranged in specific patterns to form numbers or figures that can be seen by people with normal color vision while those with color deficiency won’t be able to see all or parts of these colored plates. The test consists of 38 Ishihara plates which are colored plates that contains dots of different size and color. Ishihara test mainly detect red green colorblind. The Ishihara test is one of the most common color blind test worldwide. Ishihara Test to detect Red Green Colorblind
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