
Understanding Eye Charts and Vision

Interactive Video
•
Science, Health, Education
•
6th - 10th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 20/20 vision mean in terms of visual acuity?
It means you can see at 20 feet what a person with perfect vision can see at 200 feet.
It means you can see at 20 feet what a person with perfect vision can see at 100 feet.
It means you can see at 20 feet what a person with perfect vision can see at 20 feet.
It means you can see at 100 feet what a person with perfect vision can see at 20 feet.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are certain letters repeated on an eye chart?
Because they are the first letters of the alphabet.
Because they are the most common letters in the alphabet.
Because they are more recognizable by the human eye.
Because they are easier to print.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who invented the eye chart that is commonly used today?
Dr. Smith
Dr. Brown
Dr. Johnson
Dr. Snellen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of different versions of the eye chart?
To make them more colorful.
To adapt to different languages.
To suit different testing environments.
To make them more challenging.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is considered 'supervision' in terms of visual acuity?
20/200 vision
20/100 vision
20/15 vision
20/20 vision
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might over-correcting vision be problematic?
It can cause eye strain.
It can make distant objects blurry.
It can make near objects blurry.
It can improve vision too much.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For which profession might enhanced distance vision be particularly important?
A truck driver
A chef
A musician
A teacher
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