Sight

  • Sight - Color Perception

    As you age, the lens of your eye may become thicker and yellow. These changes may affect how you see colors and the difference between two colors. For instance, the color blue may appear darker and harder to tell apart from black. And it may become hard to tell where a thing ends and its background begins, making it hard to see curbs or steps.

    Color combinations your eyes may confuse are: yellow/white, blue/green, dark blue/black and purple/dark red. Special prescription lenses and tints can improve your view of colors.

    Difficulties caused by yellowing vision increase after around age 75. Around 20% of the people aged 80 or older may have considerable yellowing of vision.

    There is some evidence that black type on yellow paper may be easier for you to read

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