Aye, this is the exact problem that early sunglasses that didn’t block UV light had. Wear ones that offer UV protection! https://www.aao.org/eye-health/tips-prevention/sun https://www.aao.org/newsroom/news-releases/detail/seven-myths-about-sunglasses-could-damage-vision
Oh my god, I am so ashamed when I do this. Like, I know they only do it 5-10% of the time, but I ‘ask’ them if they’ve moved it nearly every time.