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Bookmark or Share- Color blindness - WikipediaColor blindness or color vision deficiency (CVD) is the decreased ability to see color or differences in color. The severity of color blindness ranges from mostly unnoticeable to full absence of color perception.
- Types of Color Vision Deficiency | National Eye InstituteHaving color vision deficiency (also called color blindness) means you can’t see certain colors the way most people do — or you may not see color at all. Learn the basics about color vision deficiency. Different types of color vision deficiency cause problems with seeing different colors.
- What Is Color Blindness? - American Academy of OphthalmologyColor blindness occurs when you are unable to see colors in a normal way. It is also known as color deficiency. Color blindness often happens when someone cannot distinguish between certain colors.
- Color Blindness | National Eye InstituteIf you have color blindness, it means you see colors differently than most people. Most of the time, color blindness makes it hard to tell the difference between certain colors. Read about the types of color blindness and its symptoms, risk factors, causes, diagnosis, and treatment.
- Color blindness - Symptoms and causes - Mayo ClinicColor blindness — or more accurately, poor or deficient color vision — is an inability to see the difference between certain colors. Though many people commonly use the term "color blind" for this condition, true color blindness — in which everything is seen in shades of black and white — is rare.
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