I've been purchasing back-up glasses for nearly 20 years at places like Lens Crafters and have never spent over $50 for such a pair - granted, they're dorky saf

I've been purchasing back-up glasses for nearly 20 years at places like Lens Crafters and have never spent over $50 for such a pair - granted, they're dorky safety frames and no fancy lens coatings, but still. Cheap glasses have always been available, if you don't want fashionable frames. Also, please don't skip an actual yearly eye exam, for your health.