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Personally you don't need to go for any of the name-brands, unless that is important to you. Some things to look for: Comfort. Wear them for several minutes. Yes, the salesman is trying to wrap up this sale in under 2 minutes so he can get more commission. You will likely be wearing the shades for hours on end, so keep them on for at least a couple ...


Regular polarized sunglasses are usually meant for drivers of cars, as these glasses, in addition to darkening the sky, also suppress glare/reflections. If you travel in snow, light will come from all different angles and directions and will therefore be polarized in all kinds of directions, so a mere polarizer will not filter a sufficient amount of light. ...


When I first planned my trek in Himalays I was suggested to keep my Gogs and Glares with me when I am outdoor-bound, in snow. A good article in my Adventure related Database rtf files says: "Hours of bright sunlight can burn the surface of the eye, causing a temporary but painful condition known as Photokeratitis. Over time, unprotected exposure can ...


Ventilation is your friend. I hate to say it - but the glasses I've found that have this dialed are usually a little more expensive. After suffering through fog, wind sheer, and poor optics, I found a high end pair of glasses in the back-country, and my eyes were opened. As a second option, removing your glasses immediately when you stop (or even sliding ...


In Europe your will be hiking on altitudes less than 5000 m, and on these altitudes you can go with sunglasses without heavy specialized equipement. However not any piece of sunglasses will do. First, they have to be either made of glass (which stops UV rays) or special UV-proof plastic. Not every plastic stops UV rays, and if not, using it is even more ...


I own only glacier glasses and use them as sunglasses as well (I take off the "blinders"). If you decide to go with sunglasses only, make sure they offer proper UV protection (not all of them do). Reasons as explained by @WedaPashi (I'd only add that while cataracts can be operated IMHO that is no reason not to try and avoid them).


The sides on glacier glasses are invaluable when on a snowfield, as the sheer amount of light hitting your eyes is increased dramatically by the high reflection from the snow. Ordinary sunglasses allow a lot of light to hit your eye from all sides. I would recommend always using the sides when on snowfields.

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