A Person Is Nearsighted with a Far Point of 75

question 18

Short Answer

A person is nearsighted with a far point of 75.0 cm.
(a) What focal length contact lens is needed to give him normal vision?
(b) What is the power of the corrective lens?

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Definitions:

Prenatal Development

The process of maturing and evolving from the point of conception to birth within the uterus.

Testosterone

A steroid hormone that plays a key role in the development of male reproductive tissues and the promotion of secondary sexual characteristics.

Estrogens

The principal class of female sex hormones.

Secondary Sex Characteristics

Physical features that emerge during puberty, distinguishing the two sexes from each other but not directly involved in reproduction, such as breast development in females and facial hair in males.