• Photochromic lenses that darken automatically when exposed to UV sunlight and clear up indoors. • Intelligent progressive multifocal design with three intensities for reading, working at the computer, and interacting. • Blue light filter and UV400 protection that reduces eye strain, fatigue, and headaches. • Flexible and lightweight TR90 frame with half-rim design. • Adjustable spring hinges that allow an opening of up to 180 degrees for a comfortable fit. • High-quality transition aspheric resin lenses. • Includes protective case and cleaning cloth.