Where can I buy 1.61 PC progressive lenses for rimless frames?

[smart buy glasses]

Progressive lenses are really popular these days, they allow you not to prepare two pairs of eyeglasses for switch as different circumstance, but the question for me is that what kind of lens material is the best choice for fabricating frameless eyeglasses, as the lenses can be more fragile in rimless eyeglasses than those in full-rim eyeglasses! Thus, if you select 1.61 PC progressive lenses to process with rimless, it's perfect choice to avoid risk.

PreacriptionGlassesOnline.net will be a good shopping store which sell Super Thin PC (1.61) Safety Progressive Lenses, and just cost $81.