Looking at Ebooks & Accessibility With 20/20 Vision in 2020
One definition of legal blindness is having a visual acuity that is best corrected to only 20/200. That means that even wearing glasses, a person can see no better than 20/200 using the standard eye chart. It also means that a person who is legally blind may walk around without a white cane or guide dog, but nonetheless cannot read… Read more