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.
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 the Ohio Lions Eye Research Foundation, a person with 20/600 vision sees something at 20 feet away that a person with typical 20/20 vision sees at 600 feet. In another comparison, a person sees an object at 2 feet that someone with perfect eyesight notices at 60 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 >
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 >
According to MedlinePlus, a visual acuity measurement of 20/25 is only slightly worse than average. What "20/25" basically means is that a person's eye can see at 25 feet what a typical eye can see at 20 feet.Full Answer >