The given statement is true. People who have color vision deficiency typically lack one or more of the three cones that are sensitive to a particular wavelength.
The incapacity to determine the exact shades of color is known as color vision insufficiency. This optical disorder is also referred to as "color blindness," however only a few people are actually color blind.
The sensitivity of color-blind people towards a particular wavelength is high. They are more sensitive to a particular wavelength.
So People who have color vision deficiency typically lack one or more of the three cones that are sensitive to a particular wavelength.
Hence the statement is true.
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