The length of the arms that go over your ears (typically 120–150mm).
The distance between the lenses (typically 14–24mm). buy eye frames
The general rule is to choose a frame shape that with your face shape to create balance. Face Shape Recommended Frame Styles Round Square, Rectangular, Geometric Adds sharp angles and definition. Square Round, Oval, Browline Softens strong jawlines and angles. Oval Almost any (Aviator, Walnut, Square) Keeps natural balance; avoid overly narrow frames. Heart Rimless, Bottom-heavy, Low-set temples Balances a wider forehead and narrow chin. Diamond Cat-eye, Semi-rimless Highlights eyes and softens high cheekbones. 3. Materials and Durability The length of the arms that go over