1.56 Flat Top Optical Lenses
Grade A High quality lenses ，Flat-top bifocal lenses are specially designed for middle-aged and elderly people. They allow you to see both near and far, which is very convenient. If you have both nearsightedness and farsightedness, you don't need to buy two pairs of lenses and glasses. You only need one pair of flat-top bifocal lenses. You can see clearly at a distance when you look up and see clearly up close when you look down.
2.HMC Green Coating ,Hot sale nice coating Looks good .
3.Hard coating ，It prevents scratches, reduces damage to the lenses, and extends their lifespan.
