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Doctor insights on: Ishihara Color Blind Test Online

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Wanted to know where can I find a good color blind test online?

Wanted to know where can I find a good color blind test online?

Google: Simply google "test for color blindness" and you will get several to choose from. The color mixture is not as purely reliably as carefully selected pages in a color vision testing booklet, the but internet depictions are quite reliable. ...Read more

Dr. Lawrence Kale
100 doctors shared insights

Color Blindness (Definition)

Color blindness is a condition where an individual has a decreased ability or complete inability to detect differences between various colors. For example, red-green color blindness is the inability to distinguish between ...Read more


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What tests can I take to figure out if I am color blind online?

Several sites: If you search color blind test, you will find several sites you may be able to use. In any event, you should not rely on these tests alone to make the diagnosis, but should see an optometrist or opthalmologist. ...Read more

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Are there any good online color blindness tests?

Are there any good online color blindness tests?

Try this one: http://www.youtube.com/watch?v=cwyrp3hu4ke then go to your eye doctor. Patients can fail this test due to refractive error problems (need glasses), corneal problems, optic nerve problems, and cataracts. ...Read more

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Whats ishihara color blindness test?

Whats ishihara color blindness test?

Color plates: The ishihara test plates are a series of dots of various colors with an embedded number or symbol which cannot be easily seen by the color deficient due to color confusion. They are the most commonly available test in ophthalmologists office although others are also available and some are better at separating the forms of color deficiency out. Ishihara is a good screening test. ...Read more

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I took ishihara plate test on internet and it shows that I have red color blind (protanopia). What can cause it, and what can be done about it?

I took ishihara plate test on internet and it shows that I have red color blind (protanopia). What can cause it, and what can be done about it?

Genetics: Color vision is controlled by a gene on the x-chromosome. Females xx and males xy, making males more likely to be color blind. Of the different types, red/green is the most common, with red being a sub-type of this. You should see an ophthalmologist for an evaluation. If you are just now discovering this, it seems like you are pretty well adapted to your situation. ...Read more

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What's a good test to determine the level one is color blind?

What's a good test to determine the level one is color blind?

Color plates: Standardized testing of color vision can be performed by your eye doctor using specific color plates. Blue-green blindness is very common and usually easy to over come. Many people lead normal lives and never realize that they are color blind. Specific forms may cause more problems. A thorough evaluation by your eye doctor can determine the specific type and offer suggestions about management. ...Read more

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What is a color blind test?

What is a color blind test?

Testing device: These are a group of color vision recognition and confusion plates, discs and lights to determine the degree and type of color deficiency that is present in a test subject. Some are standard in ophthalmologists office and others are in laboratories. And some are available on line for anyone to test themselves. ...Read more

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Could you see the 2 in this color blind test?

Could you see the 2 in this color blind test?

If color normal: The tests are designed with little dots that are shaded along the axes of confusion for the color deficient. A color normal will see the indicated symbol or number while the deficient will miss it. ...Read more

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I have color blind and wearing spexes also, will i pass the medical test..No blood desease?

I have color blind and wearing spexes also, will i pass the medical test..No blood desease?

Depends: There is no relationship between ordinary color deficiency and acuity or the need for spectacles. Color blindness is not tested for instance on obtaining a driver's license. Some occupations do require this testing and if you are color deficient, you likely will fail that. There is no correlation with blood diseases or other systemic diseases. Most medical tests are not color dependent. ...Read more

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Dr. David Chandler
75 doctors shared insights

Color Blind (Definition)

Color differentiation difficulties are where a person has trouble distinguishing the difference between certain colors. One of the most common difficulties involves difficulty telling apart the ...Read more


Dr. Tim Conrad
606 doctors shared insights

Vision Loss (Definition)

Vision loss is where a person becomes unable to see to the extent that they were previously able. This can include a total loss of vision, a loss of visual acuity, or a loss of part ...Read more