#blindness__blindnes__sightlessnes  lack of sight
  supertype:  visual_impairment__visual_defect__vision_defect__visual_disorder  impairment of the sense of sight
  subtype:  anopia  sightlessness (especially because of a structural defect in or the absence of an eye)
  subtype:  snowblindness__snowblindnes  temporary blindness caused by exposure to sunlight reflected from snow or ice
  subtype:  eyelessness__eyelessnes  blindness due to loss of the eyes
  subtype:  figural_blindness__figuralblindnes  inability to see shapes and contours

No statement uses or specializes blindness; click here to add one.