Cooper available with Hex-O-Tech High Definition Rx Quality Aspheric Design. Also available with BlueBuster blue light filter to minimize digital eye strain (recommended by the Vision Council). Reading magnification powers are from +0.50 to +4.00 in +.25 increments. Doctors recommend blue light filter for college students and contact lens wearers in plano (no power) or low power such as +0.50 to help with dry eye syndrome and digital eye strain. All our glasses come with a case and a cleaning cloth packaged as pictured.