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I'm not an opthamologist, but I believe that 15/15 is no better nor worse than 20/20.
15/15 means that at 15 feet distance from the chart, you see what the average person would see at 15 feet distance.
20/20 means that at 20 feet distance from the chart, you see what the average person would see at 20 feet distance.
Since some people have problems with distance vision (Myopia), and some people have problems with near vision (Hyperopia), it would seem possible for someone to have 15/15, but not 20/20, or vice versa.
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Is 20 15 vision better than 20 20?
Yes, 20 15 vision is better than 20 20 vision.
Is 20 16 vision better than 20 20?
Yes, 20 16 is better it means you have better than perfect vision
Is -20 greater than -15?
5
20 20 stands for what?
Do you mean for eyesight?20-20 vision is average vision of human what he can see normally from 20 feet away as a standard.If 20-40 vision, that means you have to stand 20 feet away from an object that the average person can distinguish from 40 feet away.If 20-15, that means you can stand 20 feet away from an object that the average person can distinguish from 15 feet away.
What does it mean if you have 50 20 vision?
Your vision at 20ft is my vision at 50ft.
