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Blindness
Vision
Farsightedness
Nearsightedness
Sense Organs
audiobooks
Braille
causes of blindness
color blindness
echolocation for the blind
education of vision-impaired students
folklore, legend, and myth
heightened sense of touch
in animals
legal blindness, defined
night blindness
organizations and services
perceptions after vision is restored
pictures
prominent blind persons
blind since birth or infancy
first blind Olympic female runner
partially blind
went blind later in life
quotations
Seeing Eye dogs
treatment
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