You can get from some shops which sell sports equipments. In fact, prescription athletic glasses are also called prescription sports glasses. Personally, I'd like to buy prescription athletic glasses online because it is more convenient. sports glasses shop like https://www.sporteyes.com/ or https://www.athleticoptics.com/default.asp?action=GetMfgs&SportID=23 are good places to go.
As a sports lover who has vision problems, I feel the same as you. I usually get cheapprescription athletic glasses online to protect my eyes while enjoying the fun of playing games. There are a lot of glasses vendors online, who provide quality as well as low-priced glasses. You can check out their customers' feed back to see whether they are quality-and-service-reassuring. The glasses vendors I frequently see are zennioptical, 39dollarglasses. If you are lucky enough, sometimes you will receive unexpected free glasses. Haha, good luck then.
The various prescription sports glasses are designed for the sports lovers who suffer from vision problems to give them many aids. With the more and more professional protection for eyes, the prescription sports goggles are gaining more and more welcome. now, there are many eyeglasses retailers online. For instance, Firmoo offers a large collection of practical prescription athletic glasses. You can check it out.