The drug hydroxychloroquine Plaquenil can also cause color blindness. It is used to treat rheumatoid arthritis and other conditions. Often, symptoms are so mild that people may not know they are color blind.
A parent may notice signs of color blindness when a young child is first learning colors. Your health care provider or eye specialist can check your color vision in several ways. Testing for color blindness is a common part of an eye exam. There is no known treatment. Special contact lenses and glasses may help people with color blindness tell the difference between similar colors. People who are colorblind may not be able to get a job that requires the ability to see colors accurately.
For example, electricians, painters, and fashion designers need to be able to see colors accurately. Abnormalities of rod and cone function. Ryan's Retina. Philadelphia, PA: Elsevier; chap Textbook of Family Medicine.
Philadelphia, PA: Elsevier Saunders; chap The main symptom of color blindness is not seeing colors the way most people do. Symptoms of color blindness are often so mild that you may not notice them. People with very serious cases of color blindness might have other symptoms, too — like quick side-to-side eye movements nystagmus or sensitivity to light. Men have a much higher risk than women for color blindness. It can be tricky to diagnose color blindness in children.
Kids who are color blind might try to hide it. Get your child tested if they have a family history of color blindness or if they seem to be having trouble learning colors.
You also may be able to get your child tested at school. Color blindness can also happen because of damage to your eye or your brain. And color vision may get worse as you get older — often because of cataracts cloudy areas in the lens of the eye. During the test, your eye doctor will show you a circle made of many different colored dots. Children with color blindness may need help with some classroom activities, and adults with color blindness may not be able to do certain jobs, like being a pilot or graphic designer.
If color blindness is causing problems with everyday tasks, there are devices and technology that can help, including:. Glasses and contacts. These include the antipsychotic medications chlorpromazine and thioridazine. The antibiotic ethambutol Myambutol , which treats tuberculosis , may cause optic nerve problems and difficulty seeing some colors. Color blindness may also be due to other factors. One factor is aging. Vision loss and color deficiency can happen gradually with age.
Additionally, toxic chemicals such as styrene, which is present in some plastics, are linked to the loss of ability to see color. Seeing colors is subjective. However, your eye doctor can test for the condition during a normal eye exam. Testing will include the use of special images called pseudoisochromatic plates. These images are made of colored dots that have numbers or symbols embedded within them.
Only people with normal vision can see these numbers and symbols. If color blindness occurs as the result of illness or injury , treating the underlying cause may help to improve color detection. Your eye doctor may prescribe tinted glasses or contact lenses that can assist in distinguishing colors.
People who are colorblind often consciously apply certain techniques or use specific tools to make life easier. For example, memorizing the order of the lights from top to bottom on a traffic light removes the need to distinguish its colors. Labeling clothing can assist in matching colors properly.
Some software applications transform computer colors into those that colorblind people can see. Inherited color blindness is a lifelong challenge.
While it may limit prospects for certain jobs, such as working as an electrician who must tell the difference between color-coded wires, most people find ways to adapt to the condition. A color vision test, also known as the Ishihara color test, measures your ability to tell the difference among colors. How do EnChroma glasses work? If you watch videos online, you might think EnChroma glasses are a magical cure for color blindness.
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