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It means that u can see at 10 ft what an average person sees at 20 feet. and the average vision is 20 20
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∙ 11y ago
Wiki User
∙ 14y ago20 feet or about 6.1 meters
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What does 20 20 vision mean?
It means seeing at 20 feet what a person with normal vision sees at 20 feet. A person who has 20/40 vision can see at 20 feet what the person with normal vision sees at 40 feet, etc. Some people have better than 20/20 vision.
Why is perfect vision called 20 20?
Technically, it is NOT considered perfect vision. 20/20 is considered nominal vision and is a value that represents an accepted level of visual acuity for a human. It means that at 20 feet, you can see things the average person will see at that distance. Good vision would mean the the bottom number is smaller, you can see at 20 feet what most people can see at 15 or 10. 20/40 would mean that you have to be at 20 feet to see what a normal person sees at 40 feet. Most places define blindness as 20/200.
What does 20 100 vision mean?
20/100 Vision would mean that the average person can see clearly at 100 feet you must be 20 feet away to see the object clearly.
Can you still get prescribed glasses with 20 20 vision?
The eyedoctor's goal is to have both of your eyes clear. He will most likely say you still need glasses.
What is the indicates normal vision at 20 feet?
which of the following indicates normal vision at 20 feet
What is 2010 vision?
20/10 vision refers to vision better than 20/20. A person having 20/10 vision would be able to see something at 20 feet that a person with 20/20 vision would see at 10 feet.
What does -20 mean?
Do You mean 20-20 vision?
What does 20 mean?
Do You mean 20-20 vision?
WHAT DOES 20' MEAN?
Do You mean 20-20 vision?
What does 20-20 mean?
Do You mean 20-20 vision?
What does it mean if you have 50 20 vision?
Your vision at 20ft is my vision at 50ft.
What does 20 20 vision mean?
It means seeing at 20 feet what a person with normal vision sees at 20 feet. A person who has 20/40 vision can see at 20 feet what the person with normal vision sees at 40 feet, etc. Some people have better than 20/20 vision.
Why is perfect vision called 20 20?
Technically, it is NOT considered perfect vision. 20/20 is considered nominal vision and is a value that represents an accepted level of visual acuity for a human. It means that at 20 feet, you can see things the average person will see at that distance. Good vision would mean the the bottom number is smaller, you can see at 20 feet what most people can see at 15 or 10. 20/40 would mean that you have to be at 20 feet to see what a normal person sees at 40 feet. Most places define blindness as 20/200.
Where does the term 20-20 vision originate?
Eye charts are designed to be read at a distance of 20 feet (6.09 metres). Those who can read the 20 foot 'line' are said to have 20/20 vision. If they can read the 10 foot line, then they are 20/10, and so on.
What does it mean if your vision is -10?
You are able to see at 20 feet what others can see at 10 feet. In other words, you can see more clearly from a distance than others. It is not uncommon to have eyes with different vision properties. You can be 20/15 in one eye, and 20/20 in the other. 20/30 = you see the eye chart as if it were 30 feet away 20/20 = you are 20 feet away from the eye chart and you see normally (baseline) 20/10 = you see the eye chart as if it were 10 feet closer
What is the best eye sight number?
20/20 is "normal" vision. Some people have greater visual acuity, and their vision may measure 20/16, 20/12, or 20/10. A very few people may have greater than 20/10, but there is no standard measurement for that.
What does 20 100 vision mean?
20/100 Vision would mean that the average person can see clearly at 100 feet you must be 20 feet away to see the object clearly.
