Difficulty recognizing red or green crayons.Reduced attention for coloring worksheets.Using the wrong colors when coloring an object – such as purple grass.Confusion of certain colors or shades of colors.Symptoms of color blindness are generally noticed when children begin to learn the different names of colors. This is why color blindness affects more men than women. The gene is then passed from this daughter to half of her sons.Ī daughter can only be color blind when both her mother and father are color blind and pass along the gene. The daughter then becomes a carrier- she will not be color blind. When the mother passes the gene to her sons, they will be color blind.Ĭolor blindness is caused by an X-linked recessive gene that a color-blind man will pass onto all his daughters.8% of males and less than 1% of females are color blind.

An inherited conditionĬolorblindness is an inherited condition that affects males more than females. While colorblindness can be quite an inconvenience at times, it generally does not prevent a child from participating in daily activities, or successfully reaching developmental milestones. Achromatopsia is another rare form of colorblindness that prevents all color perception, and causes the world to appear in different shades of gray.Blue-yellow colorblindness is a more rare form, and causes blue to appear green, and yellow to appear violet.Red-green colorblindness is the most common form, and affects dark reds and dark greens- making them appear gray/brown.Look at the images below, can you see the numbers: 12, 2, 42, 74 and 6?įind an eye doctor near you that has experience in diagnosing and providing advice for children who are color blind. Color blindness is not blindness at all, rather a condition that prevents a person from distinguishing certain colors from each other.Ĭolor blindness most commonly occurs when the color-detecting nerve cells in the back of the eye (cones) do not respond appropriately to certain wavelengths of light that allow for color vision.

Color blind test kids