Good product, hard lens change - Wiley X ROMER 3 1004 Interchangables Sunglasses Goggles w/ Sets of Lenses

I bought these for outdoor use in numerous activities. They fit well and I like them. Lens changes, however, are very difficult and in order to change them for a different activity I actually had to go to an oculist and have him do it. It took him quite a bit of force and he was even afraid he might break them. He admired the glasses and endorsed their quality but he had a problem with lens change. He said they should be easier to change now that it had been done once but I will not even try to change them until I absolutely need to do so. It would be expensive but I am almost ready to see if I can get three pairs each with a different lens and switch lens that way. Good product if you can do the lens changes.