specification: _x000D_Item Type: Reading Glasses_x000D_Material: Stainless steel+blue light blocking coating resin lens_x000D_Applicable Gender: Unisex_x000D_Applicable People: The Elderly_x000D_Color: Gray_x000D_Presbyopia symptoms usually occur after the age of 45. Usually, you can buy it according to the following reference table:_x000D_ Age (years old) Recommended Magnification Strength_x000D_ 45-49 100_x000D_ 50-54 150_x000D_ 55-59 200_x000D_ 60-64 250_x000D_ 65-69 300_x000D_ 70-74 350_x000D_ Above 75 400_x000D__x000D_Note: The above magnification strength are for reference only, and vary due to the degree of individual presbyopia. Features: 1Spring hinge, light pressure, fits to the skin without causing pressure on the skin, can adapt to the wearing requirements of different face shapes. 2Vacuum plating process, pure and bright colors, not easy to fade, stylish and beautiful appearance. 3Silicone nose pads, healthy and eco?friendly materials, can adapt to different nose shapes, reduce the burden on bridge of the nose without causing damage to the skin. 4Folding structure design, small and exquisite, safe to use, easy to store and carry, suitable for different occasion. 5Specially designed for the elderly, help them see things more clearly, eye protection blue light blocking lens, considerate and practical. PackageList: 1 x Reading Glasses 1 x Storage Box