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  1. Tritanopia: Seeing Blue and Yellow Differently - Vision Center

    Oct 23, 2024 · Tritanopia is a rare type of color blindness that alters how you see the colors blue and yellow. It is caused by the absence of S cone cells (short wavelength) in the retina and is typically the …

  2. Tritanopia: Symptoms, causes, and treatments - Medical News Today

    Dec 20, 2024 · Tritanopia is a type of color vision deficiency or color blindness. Learn the symptoms, potential causes, and typical outlook for this visual condition.

  3. Tritanopia – Blue-Yellow Color Blindness – Colblindor

    Tritan defects affect the short-wavelength cone (S-cone). There are two different types which can be observed: Tritanopia: People affected by tritanopia are dichromats. This means the S-cones are …

  4. Types of Color Vision Deficiency - National Eye Institute

    Aug 7, 2023 · Tritanopia makes someone unable to tell the difference between blue and green, purple and red, and yellow and pink. It also makes colors look less bright. If you have complete color vision …

  5. Colorblindness-Tritanopia | Hereditary Ocular Diseases

    There are no systemic abnormalities in this disorder. This is an autosomal dominant form of color blindness resulting from mutations in the OPN1SW gene located at 7q31.3-q32. Point mutations lead …

  6. What is Tritanopia? Blue-Yellow Color Blindness

    Tritanopia is a condition where a person cannot distinguish between blue and yellow colors. Impaired blue and yellow vision is the main symptom that is associated with this condition. However, people …

  7. Tritanopia | physiology | Britannica

    Jan 10, 2026 · Two forms of blue-yellow colour blindness are known: tritanopia (blindness to blue, usually with the inability to distinguish between blue and yellow), which occurs when blue cones are …

  8. What Is Tritonopia and How Does It Affect Vision?

    Jul 25, 2025 · Tritanopia is a form of color vision deficiency, often called blue-yellow color blindness. This condition primarily affects the perception of colors that contain blue or yellow pigments.

  9. Tritanopia Definition - CorneaCare

    Feb 7, 2023 · What is Tritanopia? Tritanopia is a type of color vision deficiency that affects the perception of color. Individuals with tritanopia have a blue-yellow defect. A blue-yellow defect does …

  10. Tritanopia: Blue-Yellow Color Blindness - All About Vision

    Aug 24, 2021 · What is tritanopia? Tritanopia is a rare form of “blue–yellow” color blindness. Despite the description, tritanopia does not make it difficult to tell the difference between blue and yellow but …