does polarized coating dropped easily with half rim frames?

[glasses lens]

in my mind, the sunglass lenses is a fake one, because a pair of high quality sunglass should be checked strictly before be sent to the market, now you'd better get your sunglass to the an optician quickly if you want to polarized lenses. But my polarized prescription sunglasses several month ago, and now the polarized coating ia now spliting from the plastic lens, so does polarized coating dropped easily?

[mens glasses]

Since the special design of such frame edge needs to put a filament to the required groove to help hold the lenses which will cause the polarized coating easily peeled off.
Thus, we recommend you choose any full rim frames instead half rim or frameless.