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Results 1 - 2 of 2 for Achromatopsia
  1. Color blindness 
    ... The most severe form of color blindness is achromatopsia. This is a rare condition in which a ...
    https://medlineplus.gov/ency/article/001002.htm - Medical Encyclopedia
  2. Color vision test 
    ... following congenital (present from birth) color vision problems: Achromatopsia -- complete color blindness , seeing only shades of gray ...
    https://medlineplus.gov/ency/article/003387.htm - Medical Encyclopedia