Sunglasses for mountain climbing equipment

Snow on the mountain easily damage the eyes to ultraviolet light, the 10,000-foot high snow reflected light over the sea above 50, the naked eye can easily damage the retina bun, causing great pain called snow blindness, cheap oakleys sunglasses can reduce this damage, but Do not be deceived cloudy weather because UV rays penetrate clouds, glare can cause headaches, sunglasses have 95-100 filtering effect.
Glacier sunglasses need for 5-10 penetration multipurpose sunglasses have a penetration rate of 20. Purchase Shi on with mirror, if you can easily of see themselves 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 fog or anti-fog of the lens cleaner, you will need to bring a spare sunglasses to avoid loss can also make use of cardboard cut into strips covering the eyes or clothes.
Most climbers prefer to use contact lenses, glasses sliding nose to improve Visual acuity without water spots, but there are also disadvantages such as too much sun, wind-sand, dirt particles can cause eye irritation, and easy cleaning and maintenance on the outskirts.
Neutral color lens: lets you see the true color of objects, is a fixed lens, for the ideal general purpose lens, protection and strong light, suitable for sports driving and outdoor workers.
Mercury lens: reflective coating on the lens surface and fully reflective, reflective of two lenses are water, snow and road movements are the best choice.
Color changing lenses: lens color shades as the lighting levels and weather changes, can be fixed to maintain high contrast effects.
High contrast lens: can filter out the dispersion of Blu-ray, promote the contrast of colors, make the subtle Visual is more precise, oakley sunglasses cheap best suited for driving and needed a quick-response campaigns.