On the Ottica Occhi Blu website you can find a guide to eyewear sizes, which helps you choose the most suitable size based on the shape of your face and your needs. In addition, each model of sunglasses or eyeglasses has specific measurements, such as the length of the temples, the width of the bridge and the size of the lenses. If you have further doubts (contact us) and you can take advantage of the free assistance of our stylists and opticians.