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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...
  2. what about landlords who have loans and living...

    what about landlords who have loans and living expenses?
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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
  5. 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?
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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
  9. 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...
  10. Thread: OMS Microtints

    by tf50fm
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    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
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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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    clipon interchangeable lens

    Hi, is there anything similar like this over here? the caesar flip II http://ssmt.jp/products/cf2/

    it's a clipon that can have its lens changed. It seems something that might draw in customers
    ...
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    Labs that provide RX bpi 550 tinting service

    Does anyone know of any independent lab (in us and canada) which provides rx lens tinted in BPI 500/550 and 540 diamond dye or equivalent?
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    Thanks Chris for your reply, but these are all...

    Thanks Chris for your reply, but these are all widely known information, whereas what I'm referring to are industry manufacturing knowledge, and specifically so on raw materials rather than the...
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    It does not really state what level of impurities...

    It does not really state what level of impurities in terms of ppm are acceptable or unacceptable for each step of the manufacturing process for example, whereas for the tightly regulated...
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    Contact lens materials supply chain standards

    Hi all, is anyone aware of the standards that govern the quality of the materials that are used to create the contact lens in our supply chain? I'm not sure if they are the same as pharmaceutical...
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    What happened to chip? This forum is less...

    What happened to chip? This forum is less interesting without him
  21. Thread: Photophobia

    by tf50fm
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    The melanopsin pathway is implicated in some...

    The melanopsin pathway is implicated in some types of photophobia. In patients where this mechanism is active, they will be sensitive to the blue spectrum of the wavelength. If you look at the range...
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    Softchrome tinting for contact lens

    Hi all, now that softchrome (tints for contact lens) has ceased to exist, where do you all get your tint supplies from?
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    Some filters and sunglasses tinted to orange with...

    Some filters and sunglasses tinted to orange with sufficient intensity have similar transmission spectrums. Blue blocker dyes seem to be orange dyes with perhaps a sharper cut off in the spectrum...
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    Blue blocker Dyes

    I noticed that the dye manufacturers such as bpi sell separate blue blocking dyes such as the bpi diamond 500/550. Are these just amber dyes, just that they cut off more accurately at the 500nm...
  25. US has a significant share in the aerospace and...

    US has a significant share in the aerospace and defence industry, according to certain arguments, relocation of certain industries to developing countries would allow them to procure expensive goods...
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