What is color blindness?
Color blindness means that you have trouble seeing red, green, or blue or a mix of these colors. It's rare that a person sees no color at all.Color blindness is also called a color vision problem. A color vision problem can change your life. It may make it harder to learn and read, and you may not be able to have certain careers. But children and adults with color vision problems can learn to make up for their problems seeing color.
What is the symptom s of color blindness?
People with this type of color vision deficiency may:
- Find it hard to tell the difference between reds, oranges, yellows, browns and greens.
- See these colors as much duller than they would appear to someone with normal vision.
- Have trouble distinguishing between shades of purple.
- Confuse reds with black.
In rare cases, some people have trouble with blues, greens and yellows instead. This is known as "blue-yellow" color vision deficiency.
What are the causes of color blindness?
Color blindness has several causes:
- Inherited disorder: Inherited poor color vision is much more common in males than in females.. It is rare to have no color vision at all. usually it’s affects both eyes, and the severity doesn't change over your lifetime.
- Diseases: Some conditions that can cause color deficits are sickle cell anemia, diabetes, macular degeneration, Alzheimer's disease, glaucoma, Parkinson's disease, chronic alcoholism and leukemia.
- Certain medications: Some medications can alter color vision, such as some drugs that treat heart problems, high blood pressure, erectile dysfunction, infections, nervous disorders and psychological problems.
- Aging: Your ability to see colors deteriorates slowly as you age.
- Chemicals: Exposure to some chemicals in the workplace, such as carbon disulfide and fertilizers, may cause loss of color vision.
How is color blindness diagnosed?
Two of the main tests used to diagnose color blindness are:
- The Ishihara test: where you're asked to identify numbers contained within images made up of different colored dots.
- Color arrangement: where you're asked to arrange colored objects in order of their different shades.
What is the treatment of color blindness?
- Wearing colored contact lenses: These may help you see differences between colors. But these lenses don't provide normal color vision and can distort objects.
- Wearing glasses that block glare: People with severe color vision problems can see differences between colors better when there is less glare and brightness.
- Learning to look for cues like brightness or location, rather than colors: For example, you can learn the order of the three colored lights on a traffic signal.
Does my Insurance Policy cover treatment of color blindness?
yes. According to CCHI unified Policy terms and conditions, health insurance policies in Saudi Arabia cover the treatment of color blindness except in case of heridity or related to work.Please Click Here to access the Unified CCHI Policy Wordings.
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"Color Blindness." Colour Vision Deficiency (colour Blindness). N.p., 25 Apr. 2016. Web. 19 July 2017.
"Color Blindness." Color Blindness - Topic Overview. N.p., n.d. Web. 19 July 2017.
"Color blindness” Rules. N.p., n.d. Web. Aug. 2016.