What Is the Power of the Lens That Has a Focal

question 59

Multiple Choice

What is the power of the lens that has a focal length of 40 cm and a diameter if 5.0 cm?

• A)-2.5 diopters
• B)+20 diopters
• C)+0.20 diopters
• D)+2.5 diopters
• E)+2.7 diopters

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Definitions:

Aging adults

Individuals entering the later stages of life, typically characterized by physical, cognitive, and social changes.

Retirement

The period in an individual's life when they withdraw from their occupation, work, or career, usually due to age.

Selective optimization

A strategy of maximizing performance in certain areas while compensating for declines or limitations in others.

Compensation

A process that contributes to successful development. When a loss of some kind prevents the use of one means to an end, the individual finds another means.