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All the manufacturers recommend only backside AR on polarized lenses. Anybody know the reason for this? Is it technical, or just cosmetic? Does frontside AR do some kind of dammage to the lens?

I...

We recommend:
- Trivex for powers from -3,00 to +3,00
- 1,6 MR-8 for powers from -3,00 to -6,00 and +3,00 and +6,00
- Tokai 1,70 (I belive the material is the same as Hoya) for powers lower than...

Is anybody using Gerber blocks with LOH Toro-X cyllinder machines? If so, where can one buy adapters?
We are very happy with the Step 1 vax blocker, but don't like the pin system for...

We distribute the Extreme H2O lenses in Slovenia. Our experience with them is that wearers love the lens, but many lack good enough handling skills, and tear their lenses.

There is a new Extreme...

I agree with Andrew, and we also use 2 different types of variable focus near vision glasses: Tokai ProReaders for work area usage, and Shamir Office for a longer viewing distance. We have no...

A rep told me that his company does not want to get into making silicone hydrogel contact lenses because a recent large Australian study showed that wearing this type of contacts increases the risk...

My question as well. I have read through the entire thread, and still remain puzzled about why an apparently great new Physio design was not applied to high ABBE materials (or even reasonably good...

The product we use comes from Thai Optical. We only tried to tint lenses that we produced from SF, and regardless of whether we tinted before or after hard coat, the lenses were spotty.

Does anybody have experience on tinting Trivex lenses. In our lab, we have given up on this. It tints very fast, as specified, but the resulting tint is not uniform. We also find it impossible to...