So, you have a round face...
The curves of your face are soft and round. You will need more angles to counter these curves and therefore, you should probably avoid rounder shaped frames, which could accentuate your curves. Shapes with sharper angles, like square and rectangular frames will work best to balance your face.
Frames to avoid and consider:
Torga recommends these frames for the round-shaped 'Madam Sporty':