Liverpool's classic square aviator style reading sunglasses have a full metal frame with a full magnified lenses. <BR><BR>The flexible spring hinges help maintain the original shape for a comfortable fit every time you wear them. These tinted reading sun glasses feature impact resistant Polycarbonate lenses that provide 100% protection from the sun's UV rays, making it perfect for reading in outdoor or sunny areas. <BR><BR>Liverpool sun readers are available in black/gunmetal frame with smoke lenses or tortoise/bronze frame with brown lenses, in the following powers:+1.00 +1.25, +1.50, +1.75, +2.00, +2.25, +2.50, +2.75, +3.00, +3.25.+3.50 and +4.00. <BR><BR>Fits small to medium head sizes. <BR><BR><B>WHOLE Lens is READERS. This style is NOT bifocal.</B>