Well, yes, your oval face may not match the cat eyeglasses. As we know that cat eye frame are with rounded-out edges that work wonders for a square face or diamond shaped face. So in other words, cat eye frame glasses with rounded-out edges can look good on you if you have a square face or diamond shaped face. An oval face should have a sharper edges, or large frames which can curve upwards subtly. So for your situation, you can have large frames with sharper edges that curve upwards subtly. Anyway, just ask some suggestions from the professional person.
Well, according to your description, it seems that you are planning to buy a pair of cat eye glasses. So, as far as I know, those cat eye glasses are very cool and popular because they would make you look sexier and amazing. Here I would say, it is good for you to choose them because they could be compatible with your facial structure and could make you more attractive.
Throughout the years, the Cat-Eye style frame has been a huge hit among female consumers. I like oval face very much because I have an oval face. At least, I like wearing cat eye glasses though I own a oval face. That makes me much cute, I think. Since the 1950's, cat-eye sunglasses have gone in and out of style. Elizabeth Taylor, Audrey Hepburn and Grace Kelly all wore them. I know a good site which offers many cat eye style glasses, such as vintage cat eye reading glasses, cat eye prescription glasses and you can get a free pair of glasses on firmoo if you are a new customer for firmoo.