Dichromasy and Dichromatopsia

Dichromasy noun - A deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision).

Dichromatopsia is a synonym for dichromasy. In some cases you can use "Dichromatopsia" instead a noun "Dichromasy".

Dichromatopsia noun - A deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision).

Dichromasy is a synonym for dichromatopsia. You can use "Dichromasy" instead a noun "Dichromatopsia".