Paul Sarian argues that blindness exists on a spectrum and that most legally blind individuals possess some level of functional vision rather than total sight loss.

“In fact, 93% of the blind community can see something. They have something called functional vision, whether that's just light and shadows, whether it's just the peripheral vision, they can just see out of the corner and there's nothing in front of them, or like me, it's like looking through a pinho”