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  1. Thread: Eyezen +4

    by Kwill212
    Replies
    15
    Views
    457

    I think you should let Peepers answer for...

    I think you should let Peepers answer for themselves. You can just stay in your lane of sunglasses where the UV falls off, as your answer here was completely unhelpful.
  2. Thread: Eyezen +4

    by Kwill212
    Replies
    15
    Views
    457

    How are these things related?

    How are these things related?
  3. Replies
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    230

    Epic ...

    Epic or Quest can probably do it in a FT. Multiple pairs still highly recommended.
  4. Replies
    82
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    3,600

    Maybe is the lens styles I use, but I have never...

    Maybe is the lens styles I use, but I have never had an availability issue in 1.60.
  5. Replies
    82
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    3,600

    Sounds like something someone who has never...

    Sounds like something someone who has never worked in retail would say. The vast majority of the general public doesn't care about the why, the how, or your "added value". Cost, product, convince,...
  6. Replies
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    3,600

    Why, that makes no sense. If you run the lab and...

    Why, that makes no sense. If you run the lab and think Trivex is too hard to process, or wears out the equipment too much, either don't offer it or charge accordingly for it.
  7. Replies
    46
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    1,033

    Wow, what a crazy thread. Who knew so many of us...

    Wow, what a crazy thread. Who knew so many of us were willing to die on the hill of OTC readers?!?

    I think everyone here can probably use their best judgment on a case by case basis for what is...
  8. Replies
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    1,033

    Like the others have said it will be up to the...

    Like the others have said it will be up to the state laws.
  9. Replies
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    3,600

    I appreciate the detailed response. Is anyone...

    I appreciate the detailed response. Is anyone using this material in eyeglasses? Is it called polycarbonate by the manufacturer? Seems like you are talking about a completely different material than...
  10. Replies
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    3,600

    Where would one source "top-notch poly",...

    Where would one source "top-notch poly", specifically what manufacturer makes it? What makes it objectively "better" than trivex? Again specifics would be great.
  11. Replies
    22
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    1,431

    Uh, am I lost here? Adding BU prism to the OS is...

    Uh, am I lost here? Adding BU prism to the OS is going to increase the near vertical imbalance.
  12. Replies
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    1,431

    Those VAs really beg the question, what is with...

    Those VAs really beg the question, what is with the .5BU prism OS???
  13. Replies
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    1,431

    Well which is it, OC close to the normal gaze or...

    Well which is it, OC close to the normal gaze or OC close to the mechanical center? I normally don't see those two things as be coincident. It would be nice for them to be coincident in this patients...
  14. Replies
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    1,431

    Presumably the patient has always has this...

    Presumably the patient has always has this antimetropia and adding prism thinning isn't going to change that. It will simply move the image slightly up.
  15. Replies
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    1,431

    That is fine. If there is 1D equithin the OD...

    That is fine. If there is 1D equithin the OD would read 1BD and the OS would read .5BD. As long as there is .5D difference in the correct direction.



    They may have misspoke or misunderstood...
  16. Replies
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    841

    No. ANSI Z80.1-2015 has a tolerance of 14° for up...

    No. ANSI Z80.1-2015 has a tolerance of 14° for up to a .25 cylinder, 7° for .25-.50 cyl etc. So obviously the axis of the lens doesn't need to match the axis of the seg line to be withing ANSI...
  17. Replies
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    462

    https://www.clspectrum.com/issues/1991

    https://www.clspectrum.com/issues/1991
  18. If all you are using it for is to measure curves...

    If all you are using it for is to measure curves the material doesn't matter. If you are using it to calculate power, then you will need to calculate for the index.
  19. Replies
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    916

    So it is entirely possible I missed something in...

    So it is entirely possible I missed something in this paper, but I don't see anything to back up "Eyeglasses UV coatings wear off on average in about 1 year for a 4hr/day use, faster in the...
  20. Replies
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    916

    I assume you have a source for that? Also who...

    I assume you have a source for that?

    Also who is using UV coatings?
  21. Replies
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    916

    What's wearing off? You have lost me.

    What's wearing off? You have lost me.
  22. Replies
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    916

    You misunderstand. I mean outside of the eye and...

    You misunderstand. I mean outside of the eye and the surround facial area.
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    916

    Most ECPs recommend UV protection for the entire...

    Most ECPs recommend UV protection for the entire eye area, not just passing through the lens/IOL.
  24. Replies
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    436

    So the set screw cuts threads into the lens...

    So the set screw cuts threads into the lens materiel on the inside of the hole the first time it is screwed in? Is there a minimum lens edge thickness to make this work?
  25. Replies
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    That would require a custom post length for every...

    That would require a custom post length for every job in order to get the magnet flush with the lens front, which does not practical.
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