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It's called "ghosting". It can occur when the ink used (to put on brand name and the verification marks) etches its way into the front side coating. The ink destroys the outer most layer leaving a...

Which "University" class, or classes, are you attending? They use to offer several types. And who are the instructors, if you know?

Sometimes the use of a good ARC LAMP can help in evaluating technical issues that Awtech mentioned. Surface deflection - caused by air pockets (during blocking or taping), under the OC of the lens...

There are as many reasons for "slipping" as there are stars in the sky. The vast majority, related to slippery coatings, are lack of process control at the lab. As some have stated - they have no, or...

Why thank you Chris... your response was very helpful. Now if I just had several weeks of spare time to call all those vendors, I'd have it made. But since you doubt that anyone can provide...

Does anyone know (approximately) what percent of the eyewear sold in the US is - Rimless (w/ holes/slots), Grooves, Zyl (all plastic types), and metals (full rim)? Just a reasonable educated guess...

There has always been a Locotite version that was compatible. It is used in the medical/chemistry field. Many beakers, containers, etc. are made of poly. That industry has done many studies on what...

Typically, I think 'slaboff' is correct. They tend to not add more distributors. However, if you are fortunate enough (although it sounds you are not) to be in an area with low sales in Varilux - you...

Chris, is like "Chicken Little" is some respects - doom and gloom on every change in ownership of any company... but his. If Essilor, Hoya, or Sola was to offer him a deal, suddenly they would be his...

http://www.nola.com/business/t-p/index.ssf?/base/money-0/1113719268111770.xml


Here is the link to the article

Using the "I'm Feeling Lucky" button as described above -

Type "French Military Victories" and click I'M FEELING LUCKY

or

Type "More Evil Than Satan"

or

Do any of you realize that the optical products WalMart sells make up less than 1/2 of 1 percentage point on their bottom line. That's right 0.45%. Do you think they even care if they make a profit...

With some of these products, it's not a matter of being good. Do you realize how much (1-time) money they will make if every eyeglass wearer just bought 1 bottle @ 20$'s?

You would never need to...

The new ‘freeform’ generators, (although I don’t think they like them called that) is still in the early stages. It is easy to cut a progressive or aspheric single vision – if you have the point...

Posting test. Had some problems... hopefully resolved.

To directly answer your questions -

Yes - they buy various lens types/materials from Essilor, but so do a lot of labs

No - they have there own in house AR, and use some outside sources, but not...

Well said Robert.

Mr. Hanlin, it seems to me you have access to labs to test your theories - why haven't you? Essilor's R&D lab has the equipment, so put the theory to the test.

So I guess, the...

Costco charges COST (COGS) at the store. The profit is from the fee's paid to join. So you can always expect their pricing to be lower.

Mr. Trail, you and other wholesalers have no one to blame but yourself. You give anywhere from 50 to 100% credit to them based on a "Dr's Error" that has nothing to do with the doctor.

Why should...

You normally buy your poly from the cheapest source you can find, and now you're out on a limb.
Therfore you expect Gentex to drop everything just for you, short their reliable clients, and take...

Progressive lenses with a AR coating on them! And I seriously doubt you sent your patient out the door with the markings on the lenses.
Bet the Pearle people couldn't find, or didn't even try, to...

For Ms. Hamlin,

It appears that both Blake and I are trying to do a little back-peddling here.

I too, just as Blake stated, did not mean to imply a generalizion. My statement regarding...

Now why wouldn't 'Retail Folks' as you put it, be opticians? I have encountered just as many independent opticians, with diplomas hanging all over their walls, that I wouldn't trust with my worst...

Homer, I think us 'old timers' are pretty safe - as far as needing to become body part specialists. That may happen but not in our lifetime.


As for the industry.... I think over the next couple...

Perhaps I should have used the term 'force talent to leave' rather than 'fire the talent'. In either event it's their loss.