Square glasses are quite popular now. They are not only adored by celebrities, but also embraced by everyday folks like you and me. As long as you feel comfortable in them and behave confidently, people will think you look really cool. I sometimes wear my square glasses when I'm not wearing contacts and I think they look look.
In my point of view, that kind of glasses will certainly make you look cool instead of nerdy. Square glasses now have their real entity and become very welcomed by a lot of customers. It seems to be the emblem of business and celebrities. Square glasses are often worn by stars, celebrated by fans and wearers throughout the world. They will make you look more than retro and vintage. If you have a round or oval face, square glasses are absolutely your best choice. And when you choose one, you should also pay attention to the color which really matters.
Ah, personally, I think square glasses will not look nerdy, and my glasses are square black framed.
But it is hard to figure out whether it is cool with your eyes except knowing your face. And what others think of them are different, there's nothing is the same in 100 eyes. If you don't mind it, there are some tips about different faces and glasses you can have a look. Square face should not wear glasses with angular, but glasses with thinner frames and rectangle or long elliptic lens. People with long or narrow face should avoid glasses similar with their faces, such as narrow on the upper and down frames or thin and long glasses. If you have a round face, you should not wear round glasses anymore, it may make you looks rounder and rounder. Wide face is fit with round, oval or small glasses. And glasses with wide, square or angular glasses will be better. Lozenge faces are also fit with round or oval glasses. Look in the mirror and make sure what kind is your face and what kind of feeling you want to present yourself, you'll find whether square glasses are fit for you.