I got my updated prescription for glasses, and my left eye was noted as -50 for cylinder (it's handwriting and not printed by a computer which is why I am questioning it). That goes beyond the range of any online glasses shop. I called to confirm and that is what the tech on the phone says it is. I don't mind going in person to get frames, but I like having a larger selection online. Is -50 even possible? It sounds like insane astigmatism and I don't really feel like mine could be THAT bad.