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[–] 110 points 1 year ago (6 children)

No. Blindness is also a spectrum but not everyone is blind. There is a range of normal vision and someone is only blind if they fall outside of that range. However, two people who are deemed blind can have varying degrees of blindness and need varying degrees of assistance.

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  • [–] 35 points 1 year ago* (last edited 1 year ago)

    Although it would probably be fitting to describe it as a subset. If you look at vision, then it is a spectrum that includes everyone. Even blind people. If you are looking at blindness, then it is a subset of the vision spectrum that only includes people that meet certain other criteria, i.e. below a certain threshold of vision. Same for autism disorder. Every human is on a mentality spectrum, and autism is a subset of that.

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  • [–] 15 points 1 year ago

    This is a pretty decent comparison. Not everyone can have ASD because then it can’t be classified as a disorder. There is a threshold for being diagnosed just as with vision impairment. Those who are diagnosed are on a spectrum from least debilitating to most.

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  • [–] 12 points 1 year ago (2 children)

    Surely vision is a spectrum with everyone on it.

    One end "better than 20-20" on the other "only darkness"

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