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  1. Color Blindness - National Eye Institute

    Nov 5, 2025 · If 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. …

  2. Types of Color Vision Deficiency - National Eye Institute

    Aug 7, 2023 · Different types of color blindness cause problems seeing different colors. Read about red-green color blindness, blue-yellow color blindness, and complete color blindness.

  3. Causes of Color Vision Deficiency - National Eye Institute

    Jan 30, 2025 · The most common kinds of color blindness are genetic, meaning they’re passed down from parents. Find out how color blindness is passed down from parents and what …

  4. Testing for Color Vision Deficiency - National Eye Institute

    Dec 6, 2024 · If color blindness runs in your family or if you think you or your child may have color blindness, talk with your eye doctor. They can give you or your child a simple vision test to …

  5. Study finds that special filters in glasses can help the color blind ...

    Jul 13, 2020 · A new study found that special patented glasses engineered with technically advanced spectral notch filters enhance color vision for those with the most common types of …

  6. Retinitis Pigmentosa - National Eye Institute

    Aug 6, 2025 · RP is a genetic disease that people are born with. Symptoms usually start in childhood, and most people eventually lose most of their sight. There’s no cure for RP. But …

  7. Blind People Can’t See Color but Understand It the Same Way as …

    Aug 16, 2021 · Questioning the belief that that people born blind could never truly understand color, a team of cognitive neuroscientists demonstrated that congenitally blind and sighted …

  8. Macular Edema - National Eye Institute

    Aug 6, 2025 · Macular edema is the buildup of fluid in the macula, an area at the back of the eye. This fluid causes the macula to swell and thicken, which distorts vision. Learn about the …

  9. Stargardt Disease - National Eye Institute

    Dec 4, 2024 · Stargardt disease is an inherited disorder that usually causes vision loss in childhood or adolescence. It is also called Stargardt macular dystrophy, juvenile macular …

  10. People with proliferative retinopathy have less than a five percent chance of becoming blind within five years when they get timely and appropriate treatment. Although both treatments have high …