The glasses manufactured by Loring are an optical complement to improve eyesight. They are recommended for patients with a medical condition that makes it difficult to see objects or read. The external exoskeleton containing the lenses is made of a polycarbonate-based material. It is resistant to falls and light shocks. It is also flexible. The lenses are made of acrylic, making them very light and strong against scratches. The nose bridge support points are covered with silicone for comfort and attachment. The temples can be flexed for storage. For men or women. For 3.5 presbyopia, specialist consultation is required for each patient. Blue and black tortoiseshell pattern with metal trim on heels. Blocks 30% of blue light emitted by digital screens.