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I think, no problem? so why we can create a new one?

I think optometrist and Medical Doctor have to use prism with care.

Anyway a very little prism that compensate minimal head tilt can be...

:smile::smile: your welcome, I think drycut is the future.

I remember now that if you are looking for drycut you can ask to santinelli for xtimer se1 or optotek for its dry edger (but I do not...

Hi, I think you have to ask yourself... "I want the same thing like Alta Pro or I want improve????" hpe is a very good machine, qmmx3 is a different technology, drycut.

If you want improve speed...

I think many pd on rx are taken by autorefration unit...and They are often soo wrong.

on autorefraction due to position I have a 70mm PD..... with pupillometer or by hand I have a binocular 67.5...

last years I saw an satisloh ART....so cool they block and wash automated

Are spheric or aspheric lenses?

oc height are ok? there is more panto tilt?

Yes but I don't worry about this. This is an industrial standard from decades for all the manufactor

Glass lenses are stable over years, plastic over years yellowing and this is helpfull for cut...

Rayban standard crown glass have filter inside the mass of the glass material and on the polar-film- filter also for the polarized version (the polarized film is inside the lens) so they last...

Not sure but I think that some version of the material can be use for frame also

Thanks Barry, please can you explain more about abbe impact?

It depends: some cr39 have full uv400 protection inside monomer cast, so you do not need coatings.

some are standard cr39 put in a bath of uv chemical (search for chris rysler topic on the board)...

I use martin's rules for everything Sv job (above 0.25dp) , I tell the client to raise the head to 0 panto of the frame and dot the lens.

My colleague use it only for aspheric Sv job and use...

I hope you can redo lens with -6 cyl with varilux or Zeiss. BTW Camber are good lenses they have 2 suface (back individual freeform and front variabile curve) and usually are very cosmetics

I love it

totally agree.

Yes, NXT was the Intercast's version of trivex for the sun, they created a special dipped into pigment lens made by trivex for sunlenses, so it is resistent and no fading over time....

Maybe a camber lens can be fitted very well, it is similar to dual surface concept.folks what do you think?

If you ask to company that sell you edger (weco, nidek etc ) I think they have a solution for you. it is very important that the clients take the tracer full calibrated and in good condition

+1 agree

and there is waste treatment also...it cost.

I think so.... they have bad traced the frame then they crappy bend the bridge...

For memory metal I use only demo lenses for trace.

If the error it is only on binocular tracing I think there is some problem in mechanical, I do not know if it is only the stylus.

do you have no tech support service?

It depends what job you have to do.
We are optician. No fear.

single vision? It is ok for minus lens, for strong plus you have to choose only small blank.. ok, if you want a better lens is better...

When you trace demo lens is still fine?

Yes, but maybe (but I'am no sure and... I do not know how much $$$$$$) you can buy an essilor software program to connect delta to PC and download pattern file by other pc/tracer

A friend of mine tell me that in an old zeiss lens book has read that.

He tell me that if you do not use an "office" lens the best compromise is use for every patient Distance Pd if the patient...

covid19 is worldwide....


keep other people at least 1 meter apart.

If possible in office use surgical mask when you do exams or all time long...if you can use gloves.

you can clean the...