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  1. Replies
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    It will simply be the compensated add based on...

    It will simply be the compensated add based on frame fit values as well as the method of measuring the addition.
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    294

    I can tell you categorically it isn't the...

    I can tell you categorically it isn't the coating. Most likely the patient has early cataract.
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    Yes Barry and if the patient moves their head up...

    Yes Barry and if the patient moves their head up or down, their heights will be wrong. But the point of what we do is start from a position of the highest accuracy possible, to minimise errors and...
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    I do that. Cool way to upgrade a supra frame

    I do that. Cool way to upgrade a supra frame
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    Depends what you want from it but YouTube would...

    Depends what you want from it but YouTube would make it the most accessible...
  6. Proof that photochromic lenses aren't magic

    Proof that photochromic lenses aren't magic
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    Why do you need it? I don't think I've ever used...

    Why do you need it? I don't think I've ever used a drill chart...
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    Super glue works. I agree that it is super...

    Super glue works. I agree that it is super frustrating. Luckily it usually doesn't happen that quick. It's funny you mention it though because I had a client with this issue earlier today and he had...
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    954

    Glad it's not just me!

    Glad it's not just me!
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    954

    I'm a big advocate for trivex but I do find it...

    I'm a big advocate for trivex but I do find it delaminates a lot more than poly. My experience is based mainly on drivewear, and glazing into supras though.
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    Hoya ID tech in theory solves your problem. As...

    Hoya ID tech in theory solves your problem. As for people who can't wear other brands, that's just your imagination.
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    Interesting topic

    Interesting topic
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    Erm... No.

    Erm... No.
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    1,398

    With some of the most advanced lenses the shape...

    With some of the most advanced lenses the shape does affect the optics. Or I should say the optics are optimised to the shape.
  15. Irrespective of the technicalities, most people...

    Irrespective of the technicalities, most people prefer Zeiss progressives for distance vision. That's been the case for a long time.
  16. You're learning, DrK!

    You're learning, DrK!
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    That's really interesting. But, it can't be true,...

    That's really interesting. But, it can't be true, or there wouldn't be an advantage to ARC on camera lenses, or microscope lenses etc... because if AR didn't increase light transmission, it would be...
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    That's very true. Very good quality lenses...

    That's very true.

    Very good quality lenses overall, with probably the best coating you can buy. We mainly do Zeiss but I do highly rate the Lifestyle 3.
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    You got it! I think there's a bit more to it,...

    You got it! I think there's a bit more to it, though. The indoor version pushes the intermediate zone higher up, whilst the outdoor lowers it. The indoor Lifestyle 3 (they dropped the ID moniker by...
  20. The lenses are fully optimised so I really...

    The lenses are fully optimised so I really wouldn't worry about it. I think Zeiss know what they are doing.
  21. Zeiss Individual SV is positioned with the pupil...

    Zeiss Individual SV is positioned with the pupil 4mm above the prismatic centre so it sounds like they were made correctly. You should glaze them like a progressive with a drop of 4mm.
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    There is never a reason not to do back surface...

    There is never a reason not to do back surface AR. Front surface is optional but usually preferable from an optical perspective. Cosmetically tinted lenses sometimes look better with no front surface...
  23. Shamir used to supply us with lots of...

    Shamir used to supply us with lots of semi-finished, and signet?
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    You can also use spray paint to make them tinted!

    You can also use spray paint to make them tinted!
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    That's pretty interesting. I know 'PNX' stands...

    That's pretty interesting. I know 'PNX' stands for 'phoenix' and it's true you hear NXT everywhere...
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