Between 1960 and 2000, the Number of Official Associations (Interest

question 68

Multiple Choice

Between 1960 and 2000, the number of official associations (interest groups) increased by about

• A) 20 percent.
• B) 60 percent.
• C) 150 percent.
• D) 300 percent.
• E) 400 percent.

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Definitions:

Snellen Eye Chart

A chart used to measure visual acuity, consisting of rows of letters decreasing in size, which is read from a standard distance.

Ophthalmoscope

A medical device used by doctors to examine the inside of the eye, including the retina and the optic nerve.

Astigmatism Test Chart

A visual tool used in eye examinations to detect astigmatism by measuring how light is perceived by the eye from different angles.

Visual Acuity

A measure of the clarity or sharpness of vision, typically assessed using a Snellen chart.