What are Polarized Lenses?
When shopping for sunglasses, one key feature to consider is whether the lenses are polarized. Polarized sunglasses are designed to reduce glare, making them especially useful for certain outdoor activities. In this guide, our Sunglass Experts explain what polarized lenses are, how they work, and highlight the benefits and potential drawbacks so you can decide if they’re the right fit for your lifestyle.
What are Polarized Sunglasses?
Polarized sunglasses feature lenses that are chemically treated to reduce glare and enhance visual clarity, especially in bright outdoor environments. These lenses are particularly effective against glare caused by horizontal reflective surfaces like snow, water, and glass. When light hits these surfaces, it scatters horizontally—polarized lenses block that horizontal light, resulting in clearer, more comfortable vision.
It’s important to note that polarization does not automatically provide UV protection. Many polarized sunglasses from trusted brands like Maui Jim, Ray-Ban, Knockaround, Oakley, and others offer both glare reduction and UV protection, but always confirm they block 100% of UV rays for complete eye protection.
How Do Polarized Lenses Work
Light typically scatters in all directions. When it reflects off flat surfaces, it becomes polarized. This means the light waves align horizontally and create an intense glare. Polarized lenses contain a vertical filter that blocks these horizontal light waves, dramatically reducing glare and improving visual comfort and contrast.
Best Activities for Polarized Lenses
Polarized lenses aren’t necessary for every activity, but they’re a top choice for situations where glare is common. They work especially well for:
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Fishing – See below the water’s surface more clearly
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Golfing – Track the ball more easily and reduce glare on the green
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Skiing & Snowboarding – Cut down on snow glare in bright conditions
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Motorcycling – Enhance road visibility and reduce surface reflections
When Not to Use Polarized Lenses
While polarized sunglasses are great for many scenarios, they’re not ideal for everything. Here are a few situations where they may cause issues:
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Viewing LCD screens – Polarized lenses can make it hard to see screens on smartphones, car dashboards, or ATMs, which may appear dim or completely black.
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Driving in icy conditions – While they reduce snow glare, polarized lenses can make icy patches harder to spot.
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Low-light or nighttime driving – They can reduce visibility when light is already limited.
Polarized lenses offer powerful glare reduction and visual comfort, but they’re not the best choice for every situation. Whether you're heading out on the water or hitting the slopes, they can make a big difference in how clearly and comfortably you see. If you have more questions about polarized sunglasses, stop by your local SCHEELS and talk with one of our Sunglass Experts.