What Is the Focal Length of the Corrective Contact Lens

question 52

Multiple Choice

What is the focal length of the corrective contact lens needed by a nearsighted person whose far point is at 60 cm?

• A) -60 cm
• B) -30 cm
• C) +60 cm
• D) +30 cm
• E) +130 cm

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Definitions:

Accounts Payable Turnover Ratio

A financial metric that measures how quickly a business pays its suppliers; calculated as cost of goods sold divided by average accounts payable.

Vendors

Entities or individuals that supply goods or services to another company, often playing a crucial role in the supply chain.

Timely Manner

Completing or achieving something within the expected or allocated time.

Compounded Semiannually

An interest calculation method where interest is added to the principal amount twice a year, leading to interest on interest by the period's end.