Eyes: a Person Can Read the Newspaper When It Is

question 73

Multiple Choice

Eyes: A person can read the newspaper when it is held at 60 cm from his eyes. What should the focal length of his contact lenses be to allow him to read the newspaper comfortably at a distance of 30 cm?

• A) -30 cm
• B) 30 cm
• C) -60 cm
• D) 60 cm
• E) 90 cm

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Definitions:

Hormone Replacement Therapy

A medical treatment that involves supplementing hormones to correct hormonal deficiencies or imbalances, commonly used in menopause or transgender health care.

Mutation

A sudden permanent change in the structure of genes.

Breast Cancer

A form of cancer that develops from breast tissue, signified by the growth of malignant cells.

Oral Contraceptives

Medications taken by mouth to prevent pregnancy, containing hormones that inhibit ovulation, alter the cervical mucus, or change the uterine lining.