Gene therapy eyedrops restored a boy s sight Similar treatments could help millions columbian.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from columbian.com Daily Mail and Mail on Sunday newspapers.
Antonio Vento Carvajal has been legally blind for much of his 14 years. A gene therapy delivered through eyedrops is allowing him to see again and has opened the door