What Is the Focal Length of the Corrective Contact Lens

question 66

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)+30 cm
• D)+60 cm
• E)+130 cm

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Definitions:

Return On Equity

A financial ratio that measures the profitability of a company relative to the shareholder's equity, indicating how effectively the company uses investments to generate earnings growth.

Year 2

A term often used in finance and accounting to denote the second year of operations, analysis, or reporting period being considered.

Earnings Per Share

A measure of a company's profitability that calculates how much of the net income is available per share of stock.

Year 2

Refers to the second year of a particular time frame, often used in financial analysis to denote the second year of operations, investments, or accounting periods.