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.
Having 20/10 vision means you can see at 20 feet what a person with normal vision can see at 10 feet. It indicates better than average vision and means you have sharper visual acuity.
Having 20/100 vision means that a person can see at 20 feet what someone with normal vision can see at 100 feet. This indicates poor visual acuity and may require correction with glasses, contact lenses, or surgery.
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.
my stepson has a presciption of + 4.25 in one eye and + 1.50 in the other eye. what does this mean? my stepson has a presciption of + 4.25 in one eye and + 1.50 in the other eye. what does this mean?
The best score for an eye vision test is typically 20/20, which means that a person can see at 20 feet what a person with normal vision can see at 20 feet. However, some people may have even better vision, such as 20/15 or 20/10.
Do You mean 20-20 vision?
Do You mean 20-20 vision?
Do You mean 20-20 vision?
Do You mean 20-20 vision?
Your vision at 20ft is my vision at 50ft.
It means that a person needs to be within 20 feet to clearly see what someone with "normal" (20/20) perfect vision can clearly see at 25 feet. It's good but not perfect vision
Having 20/10 vision means you can see at 20 feet what a person with normal vision can see at 10 feet. It indicates better than average vision and means you have sharper visual acuity.
You probably both have similar vision.
It means you have pretty close to perfect vision as 20/20 is considered perfect. Simply put, most people see at 25 feet what you see at 20.
Having 20/100 vision means that a person can see at 20 feet what someone with normal vision can see at 100 feet. This indicates poor visual acuity and may require correction with glasses, contact lenses, or surgery.
Yes, 20 15 vision is better than 20 20 vision.
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.