When Asked About His Vision, a Patient Says That the Last

question 38

Multiple Choice

When asked about his vision, a patient says that the last time he had it tested, his vision was recorded as 20/50.What does this mean?

• A) He can read at 20 feet what a person with normal vision can read at 50 feet.
• B) He can read at 50 feet what a person with normal vision can read at 20 feet.
• C) He needs to be 50 feet from objects to see them.
• D) He can see objects the best between 20 and 50 feet.

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Definitions:

Empirical Research

A way of gaining knowledge by means of direct and indirect observation or experience, prioritizing evidence and experimentation in the pursuit of understanding.

Middle-Class

A socioeconomic group situated between the working class and the upper class, typically characterized by moderate to high income, educational attainment, and a sense of cultural and political influence.

Reliability

The consistency and dependability of a measurement, test, or assessment over time.

Validity

The extent to which a test or instrument measures what it claims to measure.