Detailed Product Description 1.523 bifocal round lenses , its description: 1) index: 1.5232) Power range: Sph: 0.00 ~ +3.00 /Cyl: +0.25 ~ +3.00 3) Diameters: 70/28mm4) Coating: UC, HMC, HMC+EMC 5) Color: clear, green, etc. 6) Material: resin, plastic, etc.