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I need to replace the screen of my Iphone, any lab out there willing to put a blue-blocking ar coat on the backside for me?

589nm...nothing?

Your on the wrong path, didydium is the prizm tree you should be barking up. Been in welding helmets way before the 1980's.

MY Drivewear lenses 3 years ago were never clear. I will guess they went from 60% to 90% absorption, and they would do so instantly.
I thouroughly enjoyed them as a pair of photochromatic...

I was looking to build one, but life placed that on the backburner. I was going to modify an unltrasonic welding machine. The physics of insertion are are similar. Just need to attach wire core to...

The reason for fitting a line so high is to force the child to engage the add, otherwise they will look over the segment. They tend to react to it as an obstacle not an aid. If you have an usually...

Blue tech used them comparison 80% polarized. They make no assertion that these lenses are "fully" polarized. They are a noticeably effective filter, yet less of a filter than say Younger, but I...

15/10? Ball bearings, it's all ball bearings these days:happy:

Should be a breeze for you. Neutralizing lenses, in + and - Cyl. Lens identification. Vertical compentsation for anisometropia. All the stuff you've had to do for 22 years minus the frame styling...

Medicine

AR coat typically gets you back up to 99%. AR the Abbe equalizer.

It's as if they don't want you to compete with them online.

They will and do supply to online retailers. There are several companies that will let you put up products on ebay, amazon and the like. Whenever a person buys, they drop ship, give you a cut and...

I have a Briot Pulse so the answer may be different. They just slide off, insertion only needs to line up the alignment pin...

It would have worked if you would and paid an approriate fee for use of his patent.

I have been looking for quality PL, Pol, mirror coated, Prism lenses for two years. I know the lenses manufacturers make them for the big SG lines but they do not offer them to Optical people. Call...

Patient is about 8 years post op. OD says she rejects taking away any power. We put her in a trial frame, the glasses we made her are better.
The OTC +1.75 OD is better at distance and OS better...

A post lasik patient overview as follows:
+1.75 -0.50 x28
pl -1.75 x64 +2.50
Uncorrected VA 20/70 ou
Corrected VA 20/20 od 20/30 os
"Looking straight ahead distance is clear and sharp....

As an emergency fix guilty as charged. Chris is right, but it should delay enough time to order their new pair.

It may not always work... prism thining of PAL's...someone on here could explain. Just reading on my lunch break.

[QUOTE=Barry Santini;497259]I can't.
I can't.
I simply can't.


O-U-Eighth-1-2?

Maybe because I use the old fashioned lensometer that it's not a problem. All I ask for is AN EIGHTH!

I coming to Seattle, forget a masters class Paul's got magic.

I do my own measurements, as well as the iterminal. Fitting for me starts while they are still picking out frames, becoming more aware of biomechanics as they might impact my and the machine's...

They have always rebranded, and will continue to do so. It is a monster Brand machine. So what if the "technology" has been in welding masks since forever. Call it a rare earth metal and you can...