Experts are warning people about fake eclipse glasses, ahead of the stellar event on April 8th. Real eclipse glasses are specially made to block almost all visible light, and the American Astronomical Society warned the market is full of cheap knockoffs that could cause blindness. The society provided a list of reputable makers of eclipse eye protection at aas.org
https://aas.org/press/american-astronomical-society-warns-counterfeit-fake-eclipse-glasses