While the glasses look sturdy,
"While the glasses look sturdy, they are blurry to look through. A friend allowed me to use her glasses which were a 1. 50 and they work great and she helped me order both a 1. 50 and a 1. 75. I tried both of them and they are blurry to look through. I threw all my paperwork away and so I am stuck with them. . ."