If the Back of a Person's Eye Is Too Close

question 41

Multiple Choice

If the back of a person's eye is too close to the lens,this person is suffering from

• A)nearsightedness.
• B)spherical aberration.
• C)astigmatism.
• D)chromatic aberration.
• E)farsightedness.

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Definitions:

Hypotheses

Predetermined statements or propositions that are tested through scientific methods to see if they hold true under specific conditions.

Relative Risk

The ratio of the probability of an event occurring in an exposed group to the probability of the event occurring in a control group.

Appropriate Values

Selected data points that are deemed suitable or fitting for a specific statistical analysis or context.

Mean

The average of a set of numbers, calculated by adding them together and dividing by the number of quantities in the set.