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We appreciate your visit to Mr C s visual acuity is 20 50 This means that he A can see 50 of what the average person sees at 20 feet. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!

Mr. C's visual acuity is 20/50. This means that he:

A. can see 50% of what the average person sees at 20 feet.
B. has perfect vision when tested at 50 feet.
C. can see 20% of the letters on the chart's 20/50 line.
D. can read letters while standing 20 feet from the chart that the average person could read while standing 50 feet from the chart.

Answer :

The statement "Mr. C's visual acuity is 20/50. This means that he can see 20% of the letters on the chart's 20/50 line" is incorrect. The correct interpretation of Mr. C's visual acuity is: he can read letters while standing 20 feet from the chart that the average person could read at standing 50 feet from the chart.

This means that Mr. C's vision is worse than average as he needs to be closer to the chart to read the same letters that an average person can read from a farther distance. Here's a breakdown of what 20/50 means: The top number (20) represents the distance between the eye being tested and the eye chart. In this case, it is 20 feet. The bottom number (50) represents the distance at which a person with normal vision can read the same line on the chart from the same distance as the person being tested.

In this case, an average person can read the 20/50 line from 50 feet away. Therefore, Mr. C's vision is not perfect at 50 feet. He can only see half of what an average person can see at 20 feet. The difference of cubes can be factored as a product of a binomial and trinomial such that the difference of cubes will have a binomial difference, multiplied by a trinomial where the first term is the cube root of the first term, the second term is the product of the square of the cube root of the first term and the cube root of the second term, and the third term is the cube root of the square of the second term.

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