Double side straps can include straps that fit across the forehead or below the ears and above the jawline.
Women with square-shaped faces should choose curved lenses if they wish to soften their jawline and create a more feminine look.
To determine if you have a classic oval shape, look in the mirror and imagine points being placed at both sides of your temples, cheekbones and jawline.
If the points narrow slightly and are of an even width at both the forehead and jawline, you have an oval shape.
Medium hair is generally defined as reaching from below the jawline to several inches below the collar, though different stylists may classify hair lengths differently.