The near Point of a Farsighted Person's Uncorrected Eyes Is

question 7

Multiple Choice

The near point of a farsighted person's uncorrected eyes is 80 cm.What power contact lens should be used to move the near point to 25 cm from this person's eyes?

• A) 2.8 diopters
• B) -2.8 diopters
• C) -4.0 diopters
• D) -4.2 diopters
• E) 4.2 diopters

---

Definitions:

Worker Productivity

The measurement of the efficiency of a worker or group of workers in converting inputs into useful outputs.

Annual Earnings

The total amount of income earned over the course of a year from employment and other sources.

Geographic Imobility

The hindrance or inability of labor forces to move from one region to another in pursuit of job opportunities.

Market Imperfection

A situation where the assumptions of perfect competition are not met, leading to market failure.