Why does carry transparent glasses?

Why does carry transparent glasses?

 

I noticed oftentimes, that often carry transparent glasses. Onsimilarity as for sight, only lenses ordinary transparent. Fo rwhat does carry such glasses? Fashionably, stylishly?
Who of you does carry glasses?

Re: Why does carry transparent glasses?

 

and do you like to carry eyeglasses or antisun?))

Re: Why does carry transparent glasses?

 

By the way, I find such frame here

What do you think, it is an original brand or there can be an imitation? I simply never ordered a frame, glasses online. I don't know on what to pay attention.

Re: Why does carry transparent glasses?

 

By the way, I find such frame