A Nearsighted Person's Range of Vision Is Between 12 Cm

question 85

Multiple Choice

A nearsighted person's range of vision is between 12 cm and 35 cm from the eye. What power lens in diopters) is needed to move her near point to 25 cm?

• A) -3.4 D
• B) +3.4 D
• C) -12.0 D
• D) -4.3 D
• E) +4.3 D

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Definitions:

Coercive Power

A form of power that is exerted through the use of threats, punishment, or force to influence others to comply with demands or orders.

Legitimate Power

A type of power that is recognized and accepted by the society or organization in which it operates, often derived from a formal position or role.

Tacit Power

Unspoken, yet understood authority or influence that individuals or groups may hold, often derived from social positions or relationships.

Legal-Rational Authority

Is typical of modern societies. It derives from respect for the law. Laws specify how a person can achieve office. People generally believe laws are rational. If someone achieves office by following laws, people respect his or her authority.