Always wear your lenses as prescribed by your optometrist.
You take it to your optometrist's office to redeem it.
Any new floaters or flashing lights should be examined by a optometrist.
You can, however, buy them alone and fit them over your frames if you didn't think to search for a frame with a polarized clip the last time you visited your optometrist.
Whether you currently have an optometrist you trust or you're in search of a new one and you're considering a visit to a Vision Center, you can purchase Walmart eyeglasses.