THe other method is the one that I use.
Rudy Project (there are others as well) have the RX system
This is a small insert that is a prescription lens that fits inside their glasses.
This allows the use of prescription lenses as well as the full range of coloured lenses from the glasses themselves.
Boots have glazed the insert in the past as a normal pair of glasses,
THe other advantage is that many of the sports glasses will because ofthe lens design only do a single prescription. I use varifocal so this is no good for me. This insert enables their use