Originally Posted by
sharpstick777
I have a labratory near Seattle, please pm me if I can be of help. I would not recommend a 1.74 except Seiko's in a drilled rimles (they use a modified molomer), most labs won't drill 1.74 because of the breakage issues, its twice as brittle . Seiko's formula reduces brittleness about 25%, but its still not as good as 1.67 in a drilled. We carry the Ice-Tech super thin lenses (about 30% thinner in this power) but don't recommend drilling their 1.74 either, but their 1.67 is thinner than most 1.74s.
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