Web Results

en.wikipedia.org/wiki/Color_blindness

The different kinds of inherited color blindness result from partial or complete loss of function of one or more of the different cone systems. When one cone system is compromised, dichromacy results. The most frequent forms of human color blindness result from problems with either the middle or long ...

www.colourblindawareness.org/colour-blindness/types-of-colour-blindness

An explanation of the different types and severity of colour blindness or colour vision deficiency.

nei.nih.gov/health/color_blindness/facts_about

In humans, several genes are needed for the body to make photopigments, and defects in these genes can lead to color blindness. There are three main kinds of color blindness, based on photopigment defects in the three different kinds of cones that respond to blue, green, and red light. Red-green color blindness is the  ...

www.color-blindness.com/types-of-color-blindness

In the first part of Color Blind Essentials we learned some fundamentals about color vision deficiency like the history, occurrences, causes, genetic inheritance patterns and more. With this second chapter I want to explain you the different types color blind people can suffer from. But before we learn more about them we have ...

colorvisiontesting.com/color2.htm

The human eye sees by light stimulating the retina (a neuro-membrane lining the inside back of the eye). The retina is made up of what are called Rods and Cones . The rods, located in the peripheral retina, give us our night vision, but can not distinguish color. Cones, located in the center of the retina (called the macula), ...

enchroma.com/test/instructions

If so, you could be color blind. The Enchroma color vision test checks for the most common types of color vision deficiencies. If you have color blindness, our test can tell you if your color vision deficiency is mild, moderate, or strong. At the end of the test, we'll let you know how likely Enchroma glasses are to help your color  ...

www.colour-blindness.com/variations

Color blindness affects up to 10% of males in some communities, and on average 7% of males worldwide. Women can have color blindness, but most types of color blindness are sex linked and the dual X chromosomes that females have protect them from it most of the time. To understand the science behind color ...

coopervision.com/blog/all-different-kinds-color-blindness

Apr 29, 2015 ... But there are some people who have a faulty cone or only two cones which can greatly decrease color perception. This condition is known as color blindness and is very common–approximately 8% of men worldwide and 0.5% of women. Many do not realize there are different types of colorblindness.

colormax.org/red-green-color-blindness

For some people, roses are not red but violets are still blue. Many people suffer from a type of color blindness called “red green color blindness” and it is just like it sounds – a condition that confuses people's visions of different shades of red and green. It is the most common form of color blindness and affects six percent of ...