I wonder how much they charged and made in ticket revenue. They couldn't even hire stage and lighting professionals to determine the right amount of UV and lighting at a conference hosting hundreds or thousands of folks?!?!

> On social media, some suspect photokeratitis — damage to the eye caused by UV exposure. If that’s what caused the Apes’ agony, they likely won’t be blind forever: it’s a temporary condition. People usually get it from being in bright sunlight and snow for too long, and not at concerts, which typically have stage managers and lighting professionals who understand how to safely set up a show.