Add Yahoo as a preferred source to see more of our stories on Google. Jeff Cheatham/HCK2 YouTuber MrBeast recently shared a video about restoring sight in 1,000 blind people. The online star ...

Cataracts aren’t usually a big draw on social media, but millions of people are finding out about this leading cause of blindness — and the 10-minute surgery that can fix it — after a viral video ...