What do blind people see?

put scientifically possible, blind have absence of light go eye recepted , transmitted through optical nerve , brain. scientifically absence of light color know black. believe when blind can see darkness full of nothing. if born blind how can see in head when don't know vision or looks like? wrap head around that. try asking language speak if nobody had ever spoken or around you, , think if handed apple. have fun concept!
p.s. question , makes perfect sense why wonder that. don't pay attention negative feedback given other commenters not have thought process of thinking deep did.

this has been bothering me while. blind people see? darkness or whatever in head? don't know if makes sense whatsoever blind people see?

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