Men's metal frameless reading glasses with an ultralight, pressure design that sits comfortably on the face and ears. The frameless construction provides a strong, modern look while delivering clear vision. Progressive multifocal lenses zone offers half magnification, suitable for walking and shopping. Middle zone provides a slightly reduced magnification for computer work and watching TV. Bottom zone delivers full magnification for close reading. Blue light blocking and antiglare Antiblue light and antiglare functions help filter blue light from phones, computers, tablets, and readers to protect your eyes during screen use. Glasses power options 1.0x (4549 years old) 1.5x (5054 years old) 2.0x (5559 years old) 2.5x (6064 years old) 3.0x (6569 years old) 3.5x (7074 years old) Choose the power according to your needs. 23 use scenarios Outdoor walking or shopping: use the zone with half magnification for comfortable distance viewing. Computer work or watching TV: use the middle zone for intermediate magnification and reduced strain. Close reading: use the bottom zone for full magnification on small text.