"He feels he has been given “a whole new world”, which the rest of us, distracted by color, are insensitive to. He no longer thinks of color, pines for it, grieves its loss. He has almost come to see his achromatopsia as a strange gift, one that has ushered him into a new state of sensibility and being."
I had almost forgotten how weird and absorbing Oliver Sacks's cases are. And how good a writer he is too.