A Nearsighted Person Has a near Point of 12 Cm

question 136

Essay

A nearsighted person has a near point of 12 cm and a far point of 17 cm. If the corrective
lens is 2.0 cm from his eye, (a) what lens power will enable this person to see distant
objects clearly, and (b) what then will be the new near point of his eye?

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Definitions:

Preoperational Reasoning

Piaget’s second stage of cognitive development, between about ages 2 and 6, characterized by advances in symbolic thought, but thought is not yet logical.

Piaget

A reference to Jean Piaget, a Swiss psychologist known for his pioneering work in child development and cognitive theory.

Cognitive Development

The process of growth and change in intellectual abilities, including thinking, reasoning, problem-solving, and understanding complex concepts.

Fine Motor Skills

The ability to use small muscle groups for detailed movements, such as writing or buttoning.