The Best way to make that decision is to ask for a demonstration. Try an ordinary visor and look at a bright, glary surface, such as a glass countertop or the windshield of a passing car. Then try on a polarized visor and make your comparison. A polarization test is also provided. Just rotate the tester 90° against the polarized visor and you will see 99% block in light.
There is a big difference quality. Ordinary visors are just colored plastic. Polarized visors are a product of a special laminating process that sandwiches 3-6 layers of material together. This process requires strict quality controls and meets F.D.A safety standards.
Visible light refers to the amount of light we see. For example, there is more visible light at noon than at twilight. Glare, on the other hand, is a particular quality of light. it is the reflected or bounced light that is produced by sunlight on any shiny surface, snow, water or road.
We use USPS for our delivery method and the average delivery time for domestic deliveries is 2-3 days with international shipments ranging from 7-10 days. If for some reason you need to use a different carrier please specify in your order notes or give us a call.
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If you did not find an answer to your question, please do not hesitate to contact us by phone at (610) 438-3730 or drop us a line below.