What distinguishes the near-focus accommodation reflex in a 20-year-old from that in a 60-year-old regarding lens curvature?

💡 Explanation

Lens elasticity decreases with age, leading to presbyopia because the lens cannot achieve the curvature needed for near focus. Therefore, a 60-year-old's lens curvature changes are limited rather than having flexible accommodation like a 20-year-old.

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