This is the cataract surgery in MrBeast's video. It's the most common cause of reversible blindness in the world.
/r/medizzy: The best medical cases, medical videos, medschool notes found on the internet. All about medicine. - This is subreddit created for medical professionals who want to discuss amazing medical cases, watch useful medical videos and share inspiring pictures. All about Medicine!!! - February 4, 2023 - 14:20
/r/gifs: .gifs - funny, animated gifs for your viewing pleasure - Funny, animated GIFs: Your favorite computer file type! Officially pronounced with a hard "J" - February 4, 2023 - 14:20
/r/interestingasfuck: Interesting As Fuck - For anything that is InterestingAsFuck - February 4, 2023 - 14:19
/r/Damnthatsinteresting: Damn, that's interesting! - The most interesting place on reddit - February 4, 2023 - 14:18