In the production of sunglasses is now the leader Italy. The most well-known brands that you can buy in Moscow, is Cerruti, Gianfranco ferré, Missoni, John Richmond and Vivienne Westwood, Lancetti, North Sails, Givenchy, Celine and others. However, you can find other popular glasses brands: ZEISS, Essilor, Seiko.

How often do the points need to be replaced?
Sunglasses are desirable to change at least every 2-3 years. Plastic lenses during this time can get scratched, and where is scratched – there is no protection for the eyes.

Both on plastic and on glass glasses can form chips, which unintentionally focuses on your opinion. This leads to increased fatigue of the eyes.

If you want points served to you as long as possible, use box and soft towels.

It is necessary to know
Motorists undesirable to wear photochromic lenses, otherwise referred to as "chameleons". "Points-chameleons" darken under ultraviolet light, and through the windshield ultraviolet and so does not penetrate. Therefore, light from points-chameleons to be obscured, won't.

If you are going to a hot country and want to leave to buy glasses "chameleon", it should be done in advance. Each glass photochromic lenses unlike plastic has a design time – the time required to darken when exposed to light. At high temperatures its development is much slower. Photochromic lenses are convenient because replace two pairs of glasses: transparent (medical) – indoors and sunglasses with diopters on the street.

Polarized lenses are good because it eliminates a hint of shimmer from the water and snow. Unlike photochromic lenses they can be used and motorists, as they have a constant shade.

Content:

1. Photometer – in the Studio! (http://www.of-md.com/gls/);
2. Orange lens – for climbers (http://www.of-md.com/or-lins/);
3. Note to buyer (You read that section);
4. The fashion for "sun" (http://www.of-md.com/sg-trends/).