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Some important medical facts about kids and the sun damage to the eye are cumulative, increasing from year to year. So, the earlier children start protecting their eyes, the better. How much light the lens absorbs depends on its darkness. A mirrored coating on the swissmilitarywatches lens is helpful in reducing the amount of glare caused by reflection. This now leads us to the question of how much light sunglasses should absorb. Overall, of course, this depends on how and where one is going to use the sunglasses. For fashion wear; may provide some protection for around town wear; not very helpful on beach swissmilitarywatches or ski slopes. The ozone layer: the disappearing shield the upper layer of the earth''s atmosphere is often called the "ozone layer." this layer is the critical barrier guarding the earth from harmful uv light. Many believe that certain man-made chemicals have seriously depleted the ozone layer resulting in an increase in the amount of uv radiation reaching the earth.

It’s always best to place your sunglasses in a case when you aren''t wearing them. Not only will it help in venting them from becoming scratched, but it will also protect swissmilitarywatches and swissmilitarywatches them from accidentally breaking, like someone sitting on them. Avoid placing your glasses without a case in your purse or pocket. Keys or combs can easily scratch them. When not using a case, do place your sunglasses on folded temples with the frame facing upward if you leave them on a table swissmilitarywatches or any other hard surface. Cleaning clean dust and lint from your lenses with a soft cloth. An excellent suggestion is the cloth, which we stock in all of our stores. Using a micro clair will ensure that the lenses do not become scratched. To remove smudges, oils, and/or fingerprints, we recommend using a lens cleaner or washing the lenses with a mild soap and water.

Because our eyes can''t cool themselves easily, ir rays cause eye fatigue and dry up our eyes'' natural moisture. Sunglass lenses protect the eyes from the effects of ir by absorbing the radiation. This may be beneficial to people who wear contact lenses whose eyes tend to dry out easily. It is important to note that there is no scientific evidence to indicate that ir rays are harmful. Different ultraviolet rays ultraviolet rays have shorter wavelengths and more energy than visible light rays. They can have a harmful effect on the eyes immediately or cumulatively from regular exposure over a number of years. The industry has set standards for how much uv may be transmitted (passed) by types of sunglasses. Ultraviolet (uv) rays are strongest at high altitudes, low latitudes, and in open or reflective environments (like sand, snow, or water). They are also strongest at midday.

Enter here - Click here to go to our online catalog of watches. We have the best selection of brand name watches and accessories.

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