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Polarized sunglasses: effectively block UV rays and reduce light intensity, and can also block and reflect glare.
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Non-polarized sunglasses: The light intensity is low and cannot effectively block the reflection of bright surfaces and surrounding glare
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How to distinguish polarized and non-polarized lenses?
1. Hold the product horizontally at 90° to see if the lens changes significantly. Polarized lenses will change color, while non-polarized lenses will remai unchanged.
2. Hold the sunglasses against the phone to see if there is a dazzling color. Polarized lenses will change color, while non-polarized lenses will remai unchanged.