round-top bifocal lens,glasses, flat-top bifocal lens, bifocal lens

CR-39 1.499, middle index 1.56, high index 1.61, UC, HC, HMC from single vision to high power with high cylinder, also including round top bifocal, flat top bifocal lens ,progressive lens and photochromic lens, polarized lens and so on.

stock information:

1.56     progressive lens (short)     72mm     (+/+)   30,000prs    AB grade
1.49     blank lens                        65mm     (+/-)   70,000prs    AB grade
1.49     blank lens                        65mm     (-/-)    30,000prs   AB grade
1.56     HM                           72mm/65mm             80,000prs   AB grade
1.49     flat bifocal top lens      70mm/28mm            50,000prs   AB grade
1.49     round bifocal top lens   70mm/24mm            30,000prs   AB grade
1.49     progressive lens (long/short)                      40,000prs   AB grade