The summary correctly states that Kevin Coughlin, a New Yorker who became blind at age 36 due to a rare genetic condition known as Leber's Hereditary Optic Neuropathy, has miraculously regained 70 percent of his eyesight without any treatment from doctors. Doctors were amazed by his progress and he believes his vision is improving every day. Coughlin's story is chronicled in the book "Unblinded" and he hopes to continue improving his vision as time goes on.