Blindness and Sight

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Across
  1. 2. — Condition often associated metaphorically with blindness*
  2. 4. — Specially trained animal that assists a blind person*
  3. 7. — Mobility aid often used by visually impaired pedestrians*
  4. 8. — Covering worn over one eye*
  5. 9. — Partial or complete inability to see*
  6. 10. — Symbolic navigation tool for blind pedestrians*
Down
  1. 1. — Related to touch rather than sight*
  2. 3. — Technique using reflected sound to navigate without sight*
  3. 4. — Eye disease that can lead to blindness*
  4. 5. — Raised-dot reading system used by many blind people*
  5. 6. — Light-sensitive layer at the back of the eye*