When I went to Germany a coupple of month ago I went to Rossman and they sold very cheap glasses, I think like for 3 € or so and just for fun I put them on. But when I looked at my phone through them I was really surprised how sharp everything was. By pure luck I grabbed the ones which fir my own eye sight, so I bought them. And I didn't think it would be such a change but I love them, they make it possible for me to read without squinting and holding... via https://jeena.net/notes/1494