blindness

Noun
  1. The state of being blind or lacking sight (synset 114150142)
    is a type of: vision defect, visual defect, visual disorder, visual impairment - impairment of the sense of sight
    subtypes:
    • legal blindness - vision that is 20/200 or worse in both eyes (20/200 vision is the ability to see at 20 feet what a normal eye can see at 200 feet)
    • anopia - sightlessness (especially because of a structural defect in or the absence of an eye)
    • snow-blindness, snowblindness - temporary blindness caused by exposure to sunlight reflected from snow or ice
    • eyelessness - blindness due to loss of the eyes
    • figural blindness - inability to see shapes and contours
    same as: cecity, sightlessness

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