20/70 visual acuity visual impairment 20/70 visual acuity 20/70 visual acuity the original qualifies an individual 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity term used by the U.S. government 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity visual impairment 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity visual impairment 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity visual impairment 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity Vision 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity visual impairment 20/70 visual acuity visual impairment 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity the original 20/70 visual acuity the original 20/70 visual acuity visual impairment 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity the original visual impairment оригинала 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity visual impairment 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity functional definition 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity «Low Vision and Legal Blindness Terms and Descriptions» 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity visual impairment 20/70 visual acuity 20/70 visual acuity Low Vision vs. Legally Blind 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity visual impairment the original 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity the original 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity visual impairment visual impairment visual impairment 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity 20/70 visual acuity low-vision Snellen Eye Chart 20/70 visual acuity 20/70 visual acuity