How does sunglasses work

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MacMillan, A. Morgan, E. Your Guide to Prescription Sunglasses. Olympic Eyewear. Different Types of Sunglass Lenses. John, E. The Vision Council. Travel Star. Meet Gianna - no stranger to all things promo products. Her background in research-based writing, linguistics, and advertising gives her an edge in blogging about the marketing industry. More articles by Gianna Petan.

Shop Now or Search for:. How Are Sunglasses Made? How Do Sunglasses Work? You Might Also Like: 10 Dr. This is essentially like having 2 polarised filters that are perpendicular to each other. One filter traps light travelling vertically, while the other traps light travelling horizontally.

The result of this is that nothing gets through the combined filters. Polarised lenses are beneficial for a number of activities, and are helpful for people who spend a lot of time outdoors. One particular activity that requires clear vision is driving. Cars and roads, especially wet roads, can create a lot of glare and even your own dashboard can reflect the sunlight in a distracting manner.

Polarised lenses are able to reduce this glare and make it safe to drive, even in bright light conditions. Polarised lenses are often worn by those who spend a lot of time on or near water. Likewise, snowboarders and skiers may find that these lenses enhance the visual experience by reducing glare from the snow and ice.

If you suffer from light sensitivity , or you have recently had cataract surgery, polarised lenses can provide protection from the bright light that may cause you severe discomfort. With summer only around the corner, make sure your eyes are sufficiently protected from glare and UV light with polarised lenses. Your life and eyes 3 min read. Sometimes known as light adaptive lenses, photochromic lenses will automatically adapt to the changing light conditions around you. This works when the lenses are exposed to UV light and the molecules embedded in the lens change their structure.