A visual acuity of 20/200 is considered low vision, not far removed from legal blindness. WebMD defines low vision as a visual acuity of between 20/70 and 20/200, with corrective measures such as eyeglasses employed.Know More
WebMD characterizes legal blindness as "having visual acuity that, in both eyes, can't be corrected to better than 20/200," so 20/200 vision is bad enough that it is quite near the limit for legal blindness.
According to the American Optometric Association, or AOA, a person with 20/200 vision expects to see clearly at 20 feet what someone with normal vision sees at 200 feet. The AOA classifies 20/200 acuity as a severe visual impairment.Learn More
According to How Stuff Works, 20/20 vision means that a person can see what a normal person can see when standing 20 feet away. A person with 20/13 vision is above average because it means he can see at 20 feet what a normal person can see at 13 feet.Full Answer >
A person with 20/30 vision probably doesn't need glasses, according to EyeCare of East Texas. A determination of 20/30 acuity means that a person sees at 30 feet away from an object what average people see at 20 feet away.Full Answer >
In optometry, 20/15 vision is considered to be above average in terms of eye sight. By most metrics, 20/15 is the best vision rating that a person can receive and is even better than 20/20 vision.Full Answer >
The average visual acuity for humans is 20/20. While 20/25 vision is below average, it isn't considered low vision. Visual acuity is a rating of "clearness" of vision, so 20/25 vision is slightly blurrier than average. Low vision is classified as between 20/60 and 20/200.Full Answer >