How Much More Impact Resistant Are The 1.67 Vs The 1.74 Lense?
February 7, 2010 by admin
Filed under FAQ on advance for astigmatism
prescription:
about -6 in each eye with minor astigmatism.
i want the high index because the polycarb is too thick but am told not to get the 1.74 because it will break easily in the rimless