Bolle competivision vigilante sunglasses - Bolle Rx Adapter with Prescription Lenses for Parole and Vigilante Sunglasses

these definitely highlight tennis balls!! in low-light and glare where it would be hard to distinguish balls, they are especially useful, however i found that everything else is slightly foreshortened ie distances not quite as they should be. this could be a combination of my prescription lenses with the particular light-blocking capabilities, and i will do more testing to discern which. either way they are fun to play in, though not sure yet if i would use them for tournament play. it is great to have the option of swapping to conventional sunglasses at any time! the prescription was filled promptly and accurately with these very clever 'fit-behinds' - definitely recommend them!
Pros: good quality, clever and realised concept both for tennis and prescription lenses
Cons: glasses are a little loose on head, and some fore-shortening due to light-blocking

This review was written in the old system and had content requirements that are different than reviews written today.