(1)n=1.523 single vison PGX finsihed optical lens  65mm

(2)n=1.523 PGX flat top bifocal finished D28/65mm (ADD: +1.00~+3.00)

(3)N=1.523 PGX flat top bifocal semi-finished D28/65mm (Add:+1.00~`+3.00)

(4)N=1.523 PGX round top bifocal finished & semi-finished optical lens D28/65MM