How to choose sunglasses: frame, "chameleon" and tips
Few of the rim

Before buying you need to try on glasses,opening and closing the arc in the end slightly bend - if the frame quality, it will return the form to its original position. Also check the mounting handles, do not hang whether cogs, how well they are twisted. When fitting, make sure the glasses never shook and crushed. We must know that too rigid such glasses usually remain.
The most difficult element of the glasses lenses are usually, but not recovered, as many think. Frames, on the contrary, is very easy.
Before buying sunglasses, make suretheir label was not removed from the other, quality points. It's easy, you just have to check that the trade mark on the label correspond to the brand on the glasses (usually printed on the bow or on the lens). It should also be found on the label of the name of manufacturer, address and telephone number.
»Chameleons»

Photochromic lenses or another »chameleon» is necessaryto buy with caution. First you have to decide whether they are needed at all. Such lenses are worn by people with visual impairments, which always need to be in the points. People with good eyesight they are useless. If you need them, you have to know that in different dimming »chameleons» different intensity. Moreover, the glass of the same points may darken differently. To acquire such a marriage or a fake, it is better to buy »chameleon» in a solid, proven product.
Additional tips
If you value your vision and want to selectreally high quality glasses, keep an eye them in good shops, carefully assessing all the »pros» and »cons.» Lens should be selected in gray. The lenses do not have to buy a blue or violet shade. Also think about what you are buying sunglasses - if the city, the lighter, if the rest of the sea or in the mountains - darker. Before you buy be sure to try on glasses and check the marriage.

Go to the ophthalmologist in advance and find out, we needDo you vision glasses. If not, then buy regular sunglasses. To keep the glasses in good condition for a long time, store them in the hard case, place on any surface and just closed up the lenses so as not to break or scratch. Also make sure that the lenses free of dust, but not wipe them with a handkerchief, and a soft cloth with a nap.
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Contents:
1. All of the lenses (http://www.of-md.com/htc-sg/);
2. Frame, »Chameleon» and tips (You read that section).
