Not an issue on bicycles, but polarized lenses also do not work nicely with motorcycle helmet face-shields. Something about the stress of forming faceshields builds up polarizing effects in the clear plastic of the shield, which interact with the polarization of sunglasses to form a freaky rainbow halo around everything while also playing havoc with refraction. Tl;dr: think kaleidoscope, or trippin'... Neither of which are any good at speed on a motorcycle...