FEIVSN bifocal reading glasses for men and women unisex adult, classic bifocals readers are designed with a bold browline on the upper frame, which is contrasted by a sleek bottom structure made of thin metal. The lenses are characteristically held in place by the metal frame and are of a rounded square shape. It is made from thick solid polycarbonate that is also used on the temples. All the materials are perfect for accessorizing your attire with a unique appeal and a comfortable feel for long days. Retro and timeless style inspired by the 50's. This style is considered to be an intellectual look. FEIVSN bifocal presbyopic glasses that are excellent for all-day wear; No-magnification area is sufficient for distance watching TV / driving, while the reading area with precise magnification is perfect for reading / small print / writing / handmade and other close up activities all day wear. The blue light blocking bi focal readers for men can block 100% of UVA and UVB, filter harmful blue light from computers, tablets, televisions, smart phones and other digital devices. Reducing eyestrain and protecting your eyes well. Color: Transparent, Browm. Diopter available: +1.0, +1.25, +1.5, +1.75, +2.0, +2.25, +2.5, +3.0, +3.5.