How blind is legally blind, as in contact lens strength

How blind is legally blind, as in contact lens strength

http://www.chacha.com/question/how-blind-is-legally-blind%2C-as-in-contact-lens-strength

Legally blind is defined as: vision that is 20/200 or worse in your best eye, even with corrective lenses or surgery. ChaCha on!

What eyeglass/contact lens prescription strength makes you legall…?

http://answers.yahoo.com/question/index?qid=20080809000611AA0wCff

If the best your vision is WITH corrective lenses is 20/200, or the visual field is less than 20 degrees, that’s legally blind.