color blindness
color vision deficiency

Color blindness usually does not mean seeing the world in black and white.

It may help to learn more about how we see before getting information on color blindness.

There are several different problems that can cause color blindness.

The Marines turned him down because of his color blindness.

This type of pattern is also seen in colour blindness.

For this reason, men are more often affected by color blindness than women.

On leaving school, he tried to join the Army but was turned down because of colour blindness.

This in a country that boasts of its "colour blindness".

Color blindness without a cause is also righteous, but we have to point out that the 1980s happened, too.

As of 2009, there is no treatment or cure for permanent color blindness.

It derives its name from the medical condition of colour blindness.

According to this theory, color blindness is due to the lack of a particular chemical in the eye.

These types of color blindness usually result from an accident, and are not inherited.

While studies don't agree on specific numbers, color blindness affects somewhere between four and eight percent of the male population.

How can I make living with color blindness easier?

This is the most common form of color blindness, making up about 6% of the male population.

However, more recent analyses dispute color blindness as the main cause of the accident.

Full color blindness and insensitivity to blue light are relatively rare.

Based on clinical appearance, color blindness may be described as total or partial.

An anomaloscope is an instrument used to test for color blindness.

Color blindness is usually thought of as a disability.

A person with color blindness has trouble seeing red, green, blue, or mixtures of these colors.

Are there tests that can check for color blindness?

Other forms of color blindness are much more rare.

Color vision deficiencies can be classified as acquired or inherited.

This view is simulated in the center panel and represents a mild color vision deficiency.

For a child with color vision deficiency, crayons without wrappers are useless.

Colorblindness, or more accurately color vision deficiency, mostly affects men and tends to run in families.

Color blindness is the name for a number of medical conditions, and doctors sometimes call color blindness colour vision deficiency.

Tritanomaly is a rare, hereditary color vision deficiency affecting blue-yellow hue discrimination.

Congenital color vision deficiencies are subdivided based on the number of primary hues needed to match a given sample in the visible spectrum.

There are degrees of weakness in color vision and it is now called 'color vision deficiency')

Protanopia is a severe type of color vision deficiency caused by the complete absence of red retinal photoreceptors.

Color blindness, also called color vision deficiency, occurs when photoreceptors in the eye's retina lack certain light-sensitive pigments.

Deuteranopia is a color vision deficiency in which the green retinal photoreceptors are absent, moderately affecting red-green hue discrimination.

Inherited: There are three types of inherited or congenital color vision deficiencies: monochromacy, dichromacy, and anomalous trichromacy.

Color blindness or color vision deficiency is the inability or decreased ability to see color, or perceive color differences, under normal lighting conditions.

Anomalous trichromacy is a common type of inherited color vision deficiency, occurring when one of the three cone pigments is altered in its spectral sensitivity.

People with red-green color vision deficiency should :Image:UN Human Development Report 2007 (2) CBC.svg for a map which has been modified for accessibility.

In fact, almost 99 percent of all colour vision deficiency involves some form of red-green colour blindness, and includes an estimated 7-10 percent of all males, depending on location.

Deuteranomaly, caused by a similar shift in the green retinal receptors, is by far the most common type of color vision deficiency, mildly affecting red-green hue discrimination in 5% of European males.

At NYU, members of his laboratory showed that genetic variants in the X-cone opsin caused color vision deficiencies by altering spectral tuning, transport, and stability of the encoded viusal pigment proteins.

Color Blindness tools - Visolve is a software application (free for personal use) that transforms colors of the computer display into the discriminable colors for various people including people with color vision deficiency, commonly called color blindness.

Pugh's brother and grandnephew had protanope colour vision deficiency and it is probable that he did on biographical, gene pedigree inheritance and other grounds (such as failing the colour vision test when endeavouring to enlist in the Navy).

COLORMAX TECHNOLOGIES INC., Tustin, Calif., said the Food and Drug Administration had approved its new Color Vision Enhancement lenses for treating color blindness and color vision deficiencies.