Change in Color Perception with Aging

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  • 加齢に伴う色の見えの変化
  • カレイ ニ トモナウ イロ ノ ミエ ノ ヘンカ

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It has been reported that color perception of bluish lights changes with age because of a considerable decrease of the sensitivity in short-wavelength region caused by the yellowing of the crystalline lens. However there is an opinion that the color perception of aged-people is compensated by chromatic adaptation since the yellowing of the crystalline lens gradually grows across the life-span.<BR>In order to clarify the change in color perception caused by aging, I conducted two experiments. First, the 100-hue test of the Japan Color Research Institute was performed to 70 observers aged from 20s to 70s. Second, an experiment of color naming to 16 color samples using Natural Color System was done to 200 observers aged from 10s to 50s.<BR>As a result of the 100-hue test, the age-related decline of color discrimination properties to the reddish-purple colors was admitted whereas color discrimination properties to the bluish colors did not dropped. On the other hand, the experiment of color naming showed that there was no age-related change of color perception.

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