Blue Light Filter Glasses digital looks much better.
To be positive, You tube videos and screens feel much better when viewed through blue light filtering glasses.
As on the packet... "High-energy visible (HEV) light, is that blue light coming from a cellphone, your computer (or tablet) and doesn't feel that great. First thing in the morning ? f that is awful. Better to look at flowers IRL. https://www.healio.com/optometry/news/blogs/%7B6d723bbc-f5bb-45a8-8995-2a70cdbf39aa%7D/gary-l-morgan-od/uv-vs-blue-light-which-is-more-dangerous a, on a famous annual sale these on special, were over double this price.A customer had some made for a child and he said that they were needed for a condition determined to already have been caused by this kind of modern blue light and cost a lot.
Radio talk back today 21/02/21 says they are useless. But I do feel much better when using them.
Another case of the fact checkers spouting lies?
