. >> reporter: born with optic nerve hypoplasia, a rare condition. >> hey, mommy, how are you doing in reporter: he could only see things very close-b five inches away from his nose. but when he put on those new electric glasses, e-sight, watch this. >> awesome. >> reporter: chris was able to read the numbers his mother was holding across the room. >> 3? >> yeah. >> reporter: but there was one last hurdle. his mother trying to come up with the money to buy the glas and just minutes after "world news tonight," viewers across the country put the family well over the top. >> thank you, thank you, thank you. we can't say thank you enough. >> reporter: and chris with his new glasses. his mother helping him put them on. and chris seeing his teachers clearly for the first time. they had lined up, ready with their hugs. and look at chris playing piano. with his new glasses. ♪ david muir, abc news, new york. >> beautiful tune and beautiful sight no doubt for that kid. >> i am proud of him and disappointed a little bit that he can play piano better than i can. >> absolutely. by the way, slither.