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  1. Replies
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    In house dip or spin coating

    Does anyone here use an in house dip or spin coating systems?
    Can it be used to apply a tinted hard coat to polycarbonate lenses?
  2. Warby Parker bringing back Made in USA with opening of new lab

    https://www.visionmonday.com/latest-news/article/warby-parker-to-open-second-rx-optical-laboratory-in-las-vegas/

    why don't they just contract with existing independents?
  3. does anyone knows if thinner poly lens will...

    does anyone knows if thinner poly lens will reduce chances of cracking?

    is it possible that with careful process control, no chemicals and chamfering is required?

    if labs can handle brittle...
  4. typically how often should labs change their...

    typically how often should labs change their drill bits? after every 1000, 2000 or 5000 drills? perhaps for standard drill bits with high speed steel
  5. it seems that edge polishing agents, or solvent...

    it seems that edge polishing agents, or solvent polishing agents in general are all relatively toxic like paint thinners (the sds might say otherwise), and they might use different forms of...
  6. Hi do you recommend using methylene chloride, or...

    Hi do you recommend using methylene chloride, or perhaps the edge polishing agent from optisource?
  7. hi thanks for the tip! Do labs do this as part of...

    hi thanks for the tip! Do labs do this as part of their standard procedure for drilled poly?
  8. anyone knows if double sided ar coating increases...

    anyone knows if double sided ar coating increases the chance of crazing?
  9. Hi thanks for the tip! Many of these chemicals...

    Hi thanks for the tip!

    Many of these chemicals contain methylene chloride which is toxic, is there a greener alternative?

    Some chemicals, which may be greener, have been used for solvent...
  10. anybody knows who sells drillseal now, perhaps...

    anybody knows who sells drillseal now, perhaps under a different name? or any similar solution?
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    Angst towards consumers

    There seems to be a current of angst/contempt towards consumers here in this forum, not shared by majority but certainly present in some.

    As they are our greatest assets, with such a mindset, how...
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    Are all memory titanium frames the same?

    Hi, in terms of quality how do the different memory titanium frames fare? All they all the same since the material can be considered commodity? If not how do they differ in quality, what factors...
  13. what about landlords who have loans and living...

    what about landlords who have loans and living expenses?
  14. Replies
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    this is technically possible as viruses have...

    this is technically possible as viruses have different survival rates on different surfaces. a nanostructured coating would probably be the best way forward
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    drug resistant candida auris- concerns?

    now that there is an outbreak of candida auris this past decade, how many of you have changed your advice towards contact lens care?
    the coronavirus will be gone, but this might be hear to stay
  16. Are optical dyes used for tinting lenses safe?

    How safe are optical dyes used for tinting? is it safe to come into contact with them via skin?
    should we outsource the job to labs?
  17. Replies
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    is vsp a not for profit only in name? it seems to...

    is vsp a not for profit only in name? it seems to be aiming to compete with independents nowadays
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    Some of these brands are available online and on...

    Some of these brands are available online and on amazon direct to consumers, would it make sense to use them when consumers can check around online. What's the difference between distributing these...
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    why didn't anyone suggest importing and private...

    why didn't anyone suggest importing and private labelling a modest quantity? the margins will be higher
  20. The most important thing is that the optometrist...

    The most important thing is that the optometrist should check whether the contact lens in your eye fits before you purchase it. if it doesn't fit go back and tell them your symptoms so that they can...
  21. Thread: OMS Microtints

    by tf50fm
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    1,437

    OMS Microtints

    Anybody knows where do we get the equivalent of the OMS microtints now?
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    Chris meet your kindred spirit!

    Reading this article I'm reminded of our very own in house inventor Chris
    ...
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    3d printed opthalmic lens

    Anyone have any views on 3d printed lens? Will they eliminate inventory and be the future of the industry?

    The resins are terribly expensive though
  24. Replies
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    Clear tintable polarized lens

    Hi, does anyone know of a suitable source for tintable uncoloured/gray polarized polycarbonate or trivex lens?
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    so Lussilor would not make that claim?

    so Lussilor would not make that claim?
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