https://consumerist.com/2017/08/31/amazon-sued-over-allegedly-defective-eclipse-glasses/

Before the nationwide solar eclipse earlier this month, experts, including some at NASA, warned that solar eclipse glasses on the market may not meet normal standards for eye protection that one should normally wear when staring at the sun. The decentralized nature of Amazon’s marketplace meant that the site was a popular source for potentially insufficient eclipse glasses, and now people who bought them have filed a class action lawsuit against Amazon.

A South Carolina couple accuses Amazon of selling “unfit” eclipse glasses that caused immediate headaches and made their eyes water, and later caused distorted and blurry vision in the days following the eclipse.