加齢に伴う水晶体黄変化による日常生活への影響

書誌事項

タイトル別名
  • Affects of age-related yellowing crystalline lenses on daily life.
  • カレイ ニ トモナウ スイショウタイ オウヘンカ ニヨル ニチジョウ セイカツ

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抄録

Yellowish view of elderly people is simulated by using colored cellophane, whose transmission is equivalent to crystalline lens of a person around 75 years old. Subjects had meals at their home, went shopping and walked in the town with wearing yellow cellophane on their eyes, and investigated the influences on their daily life. It is found (1) changed colors' appearance, (2) difficulty in discrimination of colors, (3) difficulty in handling things without solid shapes (e. g. liquid), (4) failing of depth perception, and (5) difficulty in reading back-lighted signs. Concretely, difficulties in daily life are such that misjudge in freshness of foods and quantity of drinks, mistakes in goods selection at shops, and slow at meeting bumps on roads. An experiment was carried out on judgement of colors (same/different) by elderly men who were 80 to 86 of age. It is found as a result that elderly people tend to misjudge the colors mistaken in the simulation: yellow and white, blue and green, dark blue and black, and purple and dark red. In the interview, the elderly mentioned the difficulties in their daily lives due to their misjudgment of colors that was suggested in our simulation.

収録刊行物

  • 人間工学

    人間工学 34 (1), 9-16, 1998

    一般社団法人 日本人間工学会

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