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(Course Logo: Adult walking with cane and holding a child's hand)Designing for the Life Span Segment 3

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Slide 12

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Changes to the Eye result in the following changes in acuity and perception:

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Age related changes in the ability to perceive objects and space visually may require more time to process information. For example, older drivers with slow light adaptation, drive at slower speeds to cope with that perilous environment. Likewise, older people walking more slowly than others will tend to move away from the middle of pedestrian traffic and move closer to boundaries such as walls to avoid problems of interference in heavy foot traffic.

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