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Noted. Thanks again! IIxIPariahIxII.

Yes. Higher numbers bigger difference.

Yes. We like to use 1.67 for Sunglasses and big lenses.

Thank you! IIxIPariahIxII.

Thank you, bta89.

We do lots of 1.67, 1.60 and Trivex. Some patients in our area have high power and require 1.74 aspheric lenses. Their PD is less than 62mm but the lens size is bigger than 55mm.

Thank you, Robert.


SV Hi-index 1.74 is back-ordered in ES lab until mid-March or maybe even May in our area. And PAL 1.74 has been unavailable since last December.

Hi all,

We’ve been with Essilor for years but recently consider to go with Hoya for Hi-index lens. Please be kind to give us your suggestions.

What’s the best option for 1st time PAL users and...