specification: _x000D_Item Type: Reading Glasses_x000D_Material: Metal+Resin Lens_x000D_Applicable Gender: Unisex_x000D_Applicable People: The Elderly_x000D_Color: Black_x000D__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: 1Blue light blocking function lens, can effectively block harmful blue light, and reduces harmful light damage to the eyes. 2High?quality metal nose pads, simple and stylish, light and comfortable to wear. Strong hinge, easy to open and close. 3Curved glasses leg, fluent line, won't pinch your face and ears, suitable for long?term wear. 4Multifocal progressive lens, can see the distant view, the middle view, and the close view clearly. 5Folding design, light weight and in small size, easy to store and carry, suitable for different occasion. PackageList: 1 x Reading Glasses 1 x Storage Bag