Lens Technologies Found On Glasses
Lens Technologies Found On Glasses
With so many glass lens technologies out there designed to block out all sorts of light, where do you turn? Don’t worry; terms like photochromic and polarized may have stumped even Einstein! These words don’t have to be as near as confusing as they sound.
In this article I will discuss the major technologies currently being employed on glasses and sunglasses everywhere. By learning exactly what these technologies do, you can decide on whether or not they are worth your money.
Polarized Lenses – In short, polarized glasses stop polarized light. What is polarized light? Polarized light is light that travels in one plane, while non polarized light travels randomly. A good example of polarized light is the glare that comes off of a lake when you look at. Another example is the glare that comes off of a smooth surface, such as a car.
“So how exactly do polarized lenses stop polarized light” you may be asking yourself. Polarized lenses work because of a polarized filter that is applied to them. Polarized filters are generally made from molecules that align themselves horizontally, and will thus filter light that matches their alignment. Since Ardo FLS 121 L polarized light is usually horizontally aligned, these polarized filters absorb this light. Look at using polarized sunglasses if you are around water a lot.
Check out http://travel.howstuffworks.com/sunglass4.htm for
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