Finding the perfect pair of glasses is difficult, but here's how to do so while considering your face shape, skin tone, lifestyle and personality.

And if you like the way a certain frame looks on you, even if it's not one of the "best" for your face shape, own it. Your style is yours, and you aren't limited to any rule book. That said, here ...

If you’ve got a round face shape, look for square frames. QUAY Australia After Hours 50mm Square Sunglasses (Photo: Nordstrom) ...

In general, the most flattering glasses for round faces provide an element of contrast via angular frames with sharp, clean lines. Think: square, rectangular, cat-eye, browline and geometric frames.