the.com/blindness
The dark you can't blink away, and the body's most eloquent argument for everything else.
means The partial or total inability to see, whether by injury, disease, or birth.
from From Old English blind, tied to a root meaning to make obscure or confuse — the same family that gave us blend, where light and dark muddle together.
Braille birthLouis Braille was blinded by an awl at three.
Not always darkMany blind people perceive light, color, or fog.
EcholocationSome humans navigate by clicking, like bats.
Legal vs totalMost legally blind people retain some vision.