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Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

Oct 14, 2025

5 min

Why do younger people see better in the dark than older people?

By age 60, the human eye typically requires three times more light to see comfortably than it did in a person's 20s. This biological reality answers the question: **Why do younger people see better in the dark than older people?** The difference lies in a series of natural age-related changes to the eye’s structure and function.

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Oct 14, 2025

4 min

Which physiological change in the eyes of the older adult causes difficulty in adaption when going from light to dark rooms?

Overwhelmingly, older adults report taking more time to adjust when moving from bright to dimly lit environments. This common and normal part of aging is caused by a complex physiological change in the eyes that affects our ability to adapt to varying light levels, known as impaired dark adaptation.

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