Sunglasses protect you from excessive exposure to both visible and invisible components of light. The units protect you from ultraviolet radiation that may cause ocular problems like pterygium, cataracts, photokeratitis and snow blindness.

The units also protect you from flare reflected off shiny non-metallic surfaces such as water. This enables you to see into water every time a person not wearing the glasses would only see the water surface.

If you have eye problems like short-sightedness, long-sightedness or some other condition, you can find prescription sunglasses you could wear. The cool thing using these units is that you may use them almost anywhere thus removing the need for contacts and clip-on sunglasses.

Lenses. Just like your regular glasses, prescription sunglasses can be found in almost any sort of lens that you want. Which means you cannot only use the units outdoors, you can even utilize them for reading.

You ought to go for lenses that are great for your thoughts. As an example, if you are into outdoor sports such as boating and water-skiing you need to select polarized lenses that will help in cutting the glare.

On the other hand should you be employed in manual jobs including inside the construction sites you must go for polycarbonate lenses. In addition to these lenses being light, also, they are shatter proof. As rule of thumb you ought to avoid glass lenses because they are heavy and break easily.

Together with considering your thoughts choose the attention problem that you are struggling with. For instance, if you have troubles reading close text you need to choose presbyopic lenses.

Frame styles. Wearing sunglasses doesn’t suggest you need to be unfashionable. Designers and firms have come up with many frame styles that you could choose between. You ought to go to your nearest store and judge the frame which is befitting for the face shape and activity.

When choosing the frame, you must avoid the wraparound frame that curves across the head. This is because most of these frames have extreme curves that have a tendency to distort vision.

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