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Sunglasses are plain mirror, not with the vertex. If dizziness, nausea and other symptoms should be aware that after wearing the lenses appears vertex. When you edge with unequal thickness of flat mirrors, wear will happen after the shift.
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Consumers matching glasses, it is best to have regular access to the store to buy a production license, obtain invoices and repair, replace or return the certificate. Quality problems encountered Fake oakleys frogskins sunglasses cheap for sale can be made to the consumer associations or technical supervision departments to solve.