Originally Posted by
avatarworf
We both need prescription lenses so we can't just go out and get a cheap pair. We wear our sunnies every day though to keep dirt, grit and bugs out of our eyes, not to mention UV! They're worth the investment. I have Oakleys (managed to negotiate a good deal on them before we left London) and Andrew has a pair from Optilabs, which are considerably less than the Oakleys. He loves them.
-You might be able to buy prescription sunglasses very cheap while your on the road. A friend bought a pair in Nepal for ~20$US equivelent.
May be worthwhile to have a backup.