Patrick House discusses the experiences of those cured of blindness with M.I.T. professor Pawan Sinha:

"Sinha believes these first moments for the newly sighted are blurry, incoherent, and saturated by brightness—like walking into daylight with dilated pupils—and swirls of colors that do not make sense as shapes or faces or any kind of object."

Photograph by Paul Fusco/Magnum