Exquisite quality and stylish design, anti-blue reading glasses suitable for the elderly. Devices that can cause digital eyestrain All digital devices with visible screen emit blue light, including computers, laptops, tablets, smartphones, e-readers and TVs. Aspherical Resin Lenses Aspherical lenses are clearer, lighter and more natural, with a refractive index of 1.56 Improve vision quality and reduce the distortion of the wearer's eyes in the eyes of others. Technical Index Lens Material: 1.56 Aspherical Lens Power range options: +1.0, +1.25, +1.5, +1.75, +2.0, +2.25, +2.5, +2.75, +3.0 With glasses case: suitable for ladies/elderly, mothers, grandmothers, mothers, birthday/Mother's Day gifts, very suitable for home, office, computer work and reading menus in restaurants Equipped with a glasses case: a perfect gift for the elderly, dads and grandfathers. Very suitable for home, office, working at the computer and reading the menu in the restaurant