Question

The power of accommodation of the eye is the maximum variation of its power for focusing nearby and distant objects. For a young person the power of accommodation is about

• A. $1D$
• B. $2D$
• C. $4D$
• D. $10D$

Answer 1

The correct option is C

$4D$

Explanation

1. Ciliary muscles are responsible for altering the shape of the eye lens.
2. This property of the eye to see the nearby and distant objects clearly is named power of accommodation.
3. Fact: The power of accommodation of a normal eye is $4D$.

Hence, option (c) is the correct answer.