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The Fitting Height is just that: The position intended by the fitter.
Do not assume this is always one and the same with the pupil height.
And it is rarely the same as the OC Height

B

Essilor KbCo “Grass” is green—but maybe not the green you’re looking for.

Zeiss’s polar green is closer to G15

B

I do care, but don’t care what the rest of the medical communities do.

My stated policy for Rx adjustments is 4 months, but will routinely allow up to 6 months, and sometimes longer.

For...

Thank you Becky.

In a perfect “optics” world, thinner is the enemy

Hmmm. Never, ever ever with Zeiss

Totally unworkable by and for me.
I routinely dispense glasses “on the fly” to wearer, friends and family all the time.
They know to follow up “if they need any attention”
If, subsequently,...

Opticians dont need to know refraction
They need to know how to be an optician

Thank you.
Luv a challenge.
especially if they’re an engineer

B

Yep. That’s near me.
store: 516-781-9838
LI Opticians

There’s no supposedly about it. Night myopia is actually part of a family of observed “myopias:”

1. Night Myopia - Generally thought tied to the spherical aberration of the inherent cornea seen...

Try Shaw SV lens

THE most important thing to remember about these 2 formulae is that they described what is happening to the principle planes in relationship to the corrective lenses. I believe this is not widely...

knowledge of tolerance does not equal knowledge of 20/Happy

Chromapop has a steep notch filter around 570nm, making the differences between red and green more exaggerated/saturated.
B

Bingo!

Best way to start? Take on any and all repairs—no matter if they bought them from you or not.

B

Absolutely awful!
continue button after surfing website never showed up—even after two minutes.
I can forward my thoughts if you wish.
Be sure to test it on an IOS mobile device before launching....

Yes

Excellent

Monied interests inherently lack the passion of the original founder/owners.
Slowly, only the money and bottom line will count.
And a rationale to justify the changes will smack of the same you see...

When a camera is used (and attach to the eyepiece) with an astronomical telescope this way, it is called afocal projection, because you are viewing a collimated beam (rendered parallel by the...

John
i luv your videos.
But this one on PDs is riddled with your personal comments that are way off base.

take a look at this article Inwrote and see if you still feel the same way about your...

In every case I have seen, staff immediately becomes an expense rather than an asset.

B

Ok, here’s the science behind the statements and observations I’ve made:


1. Axial chromatism is real in the human eye. The optical system of the eye consists of nearly homogenous refracting...