For me it is that every lcd screen I look at shows as black or blank or possibly rainbow colors, The liquid crystal displays work with a polarizing filter to black-out illuminated pixels, that's why polarized sunglasses don't work well with them.
I have also noticed the effect with tinted windows, same reason.
To check if sunglasses are polarized, you can look through them at a reflective surface like water or glass. Rotate the sunglasses 90 degrees - if they are polarized, the intensity of glare should reduce or disappear. You can also check for a "P" or "Polarized" label on the sunglasses.
Tint is mostly cosmetic. Polarized lenses block the harmful rays and are better for your eyes.
You can buy polarized sunglasses at specialized eyeglass stores. You can also purchase them at sunglasswarehouse.com, Sierra Trading Post, and Walmart.
Depending on what pair of Oakley's you purchase will decide weather they are polarized or not. Some Oakley sunglasses are polarized and others are not.
Oakley has their own website on which they sell Oakley polarized sunglasses. Other places to purchase these sunglasses would include Cabela's, Nordstrom, and Macy's.
sunglasswarehouse.com, shadesdaddy.com, opticsplanet.net, tahoemountainsports.com, and amazon.com are a few of the many places online that offer polarized sunglasses.
In reference to Ray-Ban sunglasses, their GPL lenses are polarized. The GPL stands for Glass Polarized Lens.
Self-tinting sunglasses are designed to automatically adjust the level of tint based on the amount of UV light present, providing a consistent level of protection. On the other hand, polarized sunglasses have a special filter that blocks horizontal glare, making them ideal for reducing reflection and enhancing clarity, particularly in bright conditions.
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You can purchase polarized sunglasses online by going to either of the following websites www.ebay.com or www.amazon.com and you can use your swag bucks to save more