Lady Gaga’s plastic eyeglasses frame!

[bifocal glasses]

I just want to know what does Lady Gaga wear when she is drown in her music, as many pop stars love this style of eyeglasses in public, they are fashionable, stylish and comfortable to wear, I also love those frames, in my opinion, the only drawback of this frame to me is its nose pads, this kind of frames are always made by a templet, thus the whole frame is made of plastic materials, including the nose pad, my nose bridge is not so mature, so they can easily slide down from my nose, so, what do you suggestions for such problem?