Product introduction
<br />Lens diameter: 17.8mm base arc: 8.50mm center thickness: ultra thin 0.020 water content: 52% degree range: 0 degrees to 800 degrees
<br />Material: HEMA-MMA product specifications: 1 / bottle refractive power: 0.00--6.00 (distance 0.25) anti ultraviolet function UVB >97%