Prevalence Refers to the Number of People Who

question 43

Multiple Choice

Prevalence refers to the number of people who

• A) live in a particular area of the country.
• B) the new cases of an exceptionality.
• C) have specific characteristics that make them exceptional.
• D) are classified in a given category in a population group during a specified period of time.

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Definitions:

Binocular Vision

The ability to focus on an object with both eyes, creating a single three-dimensional image.

Depth Perception

The ability to perceive the world in three dimensions and to judge the distance of objects accurately.

Focal Point

Point at which light rays cross after passing through a concave lens, such as the lens of the eye.

Concave Lens

A lens that is thinner at the center than at the edges, commonly used to correct nearsightedness.