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Doctor insights on: Color Blind Test For Kids Free

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How do they test a child for color blindness?

How do they test a child for color blindness?

COLOUR CHARTS: You show them a colour chart and ask them to name the colour. It is a simple test.

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Dr. David Chandler
77 Doctors shared insights

Color Blind (Definition)

Ophthalmologist prefer to use the term color deficit as blindness conveys other meanings. Lowered color perception can be inherited (many forms), can result from advanced loss of retinal cells, inherited retinal disease, and some forms occur due to CNS injury. There are excellent tests for the various types and they can be functionally ...Read more


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Taking my child to the optometrist to test for color blindness. How do we prepare?

Taking my child to the optometrist to test for color blindness. How do we prepare?

No need to: It's a simple test where they show the child a book (called an ishihara) with numbers hidden within colored dots. He/she will be asked to identify the numbers and based on that the doc will be able to tell if he/she is color blind.

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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.

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Signs of child being color blind?

Signs of child being color blind?

Depends upon age: Obviously inability to distinguish between red / green colors. Some have trouble with blue/yellow. It does assume the child knows his colors. I am not aware of a condition where no colors are seen. These are usually specific to certain colors.

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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.

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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.

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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.

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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.

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How do you pass a color blindness test?

Color blindness: You either look an images or put a set of colors in order.

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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.

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Do color blind children go to special schools or can they still attend normal ones?

100% normal school: Having colorblindness is not a physical disability. Maybe they can't become fighter pilots but I know several color blind surgeons and several of them didn't even realize they saw color differently until adulthood. I would just make sure their socks match or shirts don't clash with their pants, but otherwise they will live normal lives.

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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.

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What are the tests involved for color blindness?

Color plates: The most commonly available test is the ishihara color recognition plates which present numbers buried in dots of color over the axis of color confusion for the deficient. This can tell severe from mild color deficiency. Other tests are availbale to tell which type of color deficiency you have. This does have some occupational significance.

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Do you know of tests for being a carrier of color blindness?

Do you know of tests for being a carrier of color blindness?

No: The easiest way is to ask your father. If he is color-blind then you are a carrier. Then ask your mother's father, if he is color-blind, then you have a 50% chance of being a carrier. If neither are color-blind, you cannot be a carrier.

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Please describe the most accurate and comprehensive color blindness test?

It is: The anomaloscope which is a rarely used research instrument. The farnsworth 100 test is accurate and comprehensive but rarely used because the time it takes to do it and the extreme difficulty of the test.

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If I carry the gene that causes people to be color blind, shoud I have children?

Most do: Color vision is important & defects vary in their intensity a effect on various individuals. I wouldn't classify it as a significant reason to avoid having kids. If dad did I wouldn't be here. It didn't hamper in his professional career or me in mine.

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What's 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.

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What is the most accurate and comprehensive color blindness test available nowadays?

Anomaloscope: The anomaloscope is the most complete and compreshensive way to test color vision. The farnsworth 100 test is the next in line.

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How are the eye doctors test for color blindness?

How are the eye doctors test for color blindness?

Color charts: Most eye doctors own an ishihara color vision test booklet which can be used to determine if you are color deficient. There are other booklets as well, color caps, and other more sophisticated means to determine the degree and type of color deficiency you might have.

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Dr. Lawrence Kale
102 Doctors shared insights

Color Blindness (Definition)

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