What does a person with 20/30 vision mean? Tested individual can see things 2/3 way of what a normal person can see. O what a normal person can see at 20 feet away, this tested individual need to stand at 30 feet to see it. What a normal person can see at 30 feet away, this tested individual need to stand at 20 feet to see it. Tested individual can see about 30% of what a normal person can see. QUESTION 8 Astigmatism is a result of imperfection on what part of the eye? vitreous humor misplaced photoreceptors cornea or lens retina

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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QUESTION 7
What does a person with 20/30 vision mean?
Tested individual can see things 2/3 way of what a normal person can see.
What a normal person can see at 20 feet away, this tested individual need to stand at 30 feet to see it.
What a normal person can see at 30 feet away, this tested individual need to stand at 20 feet to see it.
Tested individual can see about 30% of what a normal person can see.
QUESTION 8
Astigmatism is a result of imperfection on what part of the eye?
vitreous humor
misplaced photoreceptors
cornea or lens
retina
Transcribed Image Text:QUESTION 7 What does a person with 20/30 vision mean? Tested individual can see things 2/3 way of what a normal person can see. What a normal person can see at 20 feet away, this tested individual need to stand at 30 feet to see it. What a normal person can see at 30 feet away, this tested individual need to stand at 20 feet to see it. Tested individual can see about 30% of what a normal person can see. QUESTION 8 Astigmatism is a result of imperfection on what part of the eye? vitreous humor misplaced photoreceptors cornea or lens retina
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