Alpine skiing is easy to damage eyes, in the case of ultraviolet, 10,000 feet of snow reflected light higher than 50 per cent by the sea, open hole depending on the network steamed bun is very easy to damage, causing great suffering snow blindness, ray ban outlet sunglasses can reduce this damage, but do not be cloudy weather cheat, because ultraviolet rays penetrate the clouds, dazzling light may cause headaches, sunglasses will 95~100 filter effects. Sunglasses need for glacier travel 5~10 transmissionrate multipurpose sunglasses 20 of penetration.

Purchased Shi on with mirror, if you can easily of see own of eyes is is too light, lenses of color is grey or green-if you wanted to see real of color, if you wanted to cloudy or concentrated fog of weather wanted to see carefully best selected yellow of lenses, on in infrared,, unless you squarely Sun will is directly injury, but General of Sun glasses are can prevent infrared penetrating and protection eyes, Sun glasses be has side of protection device reduced Sun penetrating eyes, but must has good of ventilation equipment prevent lenses up fog, Or use of the lenses fog or spray detergent resistance, you need to bring a pair of cheap ray bans sunglasses to avoid loss of the alternate may also use cardboard cut into strips covering the eyes or clothing.

Most climbers prefer to use contact lenses, because glasses sliding nose to improve Visual acuity without water spots, but there are still shortcomings, such as the Sun are too large, wind-sand, dirt can cause eye irritation, at the same time the outskirts of easy cleaning and maintenance.

Choose the best color for sunglasses smoke grey and green, these sunglasses can affect the color of the color sensitivity to a minimum. Wearing a pink, yellow, Orange, red and violet fake ray bans sunglasses, excessive fatigue can cause eye, under the strong sunlight will make eyes blurred due to tired. Because of this claim, many aircraft and motor vehicle drivers started to switch to smoke grey and green sunglasses.