![]() If the child is able to categorize the colored figure or lines then the child clear the color vision test and if not then the child is colorblind. The physician usually asks to categorize between red and green color lines or words or figures. Test Age for ColorblindnessĪbout 4 years old children are able to a test of their color vision. Only one child out of 40 thousand babies is affected by “achromatopsia”. Some colorblind are unable to see colors due to the disease called achromatopsia. It is not inevitably mean that a colorblind cannot see the colors.Ĭolorblind may not distinguish the colors and they may confuse while picking different colors.Ī colorblind is not able to distinguish colors till they reach 4 years of age. While in a colorblind child cones are missing due to which a child cannot distinguish the colors usually they see purple or brown instead of red and green color. When a child is 4 years months old the cones are starting developing which is a natural process in a normal child. It is difficult to identify colors when light intensity is low. It means that the ratio of color blindness of boys is more than the girls. ![]() According to Optometric Physicians of Washington around 8%, boys are affected by the color blindness which is less than girls. The “cones” are responsible for the color vision which are located at the back of the eye.ĭue to lack of cones cells, a child is a birth with color blindness. Causes of ColorblindnessĬolor blindness is usually caused by the genetic disorder. Only one child is affected by color blindness in about 25 children.ĭue to color blindness, a child has an excellent night vision.Ĭhildren have issues while reading through colored pages such as through green or red pages because it reflects through their eyes and they complain about their eyes. It is difficult to find the early symptoms of color blindness in a child.Ĭhildren have a low span of attention when they throw colors on the paper. Usually, a person cannot distinguish between red and green color. Due to color blindness, the person is unable to identify colors. Color blindness is also known as color vision deficiency.
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