Where can buy Sarah Palin style frameless eyeglasses?

[eyeglasses frames]

My mother really loves frameless style eyeglasses, it is fashionable, stylish and elegant, but she only worries about its quality, as the nuts can be loosen easily and the lenses sometimes are bent up by some pressure, who can introduce me some quality rimless eyeglasses frames?

I heard there is trustworthy online site from my friends, and I like Sarah Palin style, which had been ever wore by her at the Republican National Convention in St Paul, Minnesota, and the glasses are soon becoming her signature look, and do I need to order some special coatings for office using?

Thank you!