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  1. Thread: XPL6 identifier?

    by RT
    Replies
    1
    Views
    194

    Try searching at epic.thevisioncouncil.org.

    Try searching at epic.thevisioncouncil.org.
  2. Replies
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    5,868

    OTC Readers are covered by ANSI Z80.31 - 2017.

    OTC Readers are covered by ANSI Z80.31 - 2017.
  3. Thread: Coronavirus and UV

    by RT
    Replies
    6
    Views
    1,608

    If all it took was the UV-A generated by a...

    If all it took was the UV-A generated by a Transitions demonstrator kit to kill the coronavirus, then just walking outside would also kill it.
    Unless the device specifically says that it generates...
  4. Thread: Eyezen +4

    by RT
    Replies
    15
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    3,161

    +1 Pete! Enhanced SV products are not...

    +1 Pete!


    Enhanced SV products are not intended for use when there is a diagnosis of presbyopia. Nor are they reimbursed by Managed Vision Care plans as a progressive.
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    2,329

    Here's a link to the FDA Guidance document on...

    Here's a link to the FDA Guidance document on impact resistance. Plastic lenses must be statistically tested. There is no certificate required.
    ...
  6. Hoya ST28 IQ.

    Hoya ST28 IQ.
  7. Replies
    25
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    3,944

    Sensity Shine launched before the Transitions...

    Sensity Shine launched before the Transitions mirrors.
  8. Thread: Poly photo with HMC

    by RT
    Replies
    2
    Views
    797

    ANSI Z87.1-2015 high impact compliance would...

    ANSI Z87.1-2015 high impact compliance would require the lens to pass both the high impact testing and retention testing. Each material/coating/lens retention system configuration would need to be...
  9. Here are some references:...

    Here are some references:
    https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?fr=801.410

    https://www.fda.gov/RegulatoryInformation/Guidances/ucm070579.htm

    Yes, all...
  10. Replies
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    2,617

    As Tallboy indicated, "1.56" is merely an index...

    As Tallboy indicated, "1.56" is merely an index of refraction and does not uniquely identify a particular lens material nor any other property other than index of refraction. There are several...
  11. Replies
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    8,736

    Seems like that might be defrauding your lab if...

    Seems like that might be defrauding your lab if the lens isn't scratched.
  12. Replies
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    3,378

    Check out http://www.opticalheritagemuseum.com.

    Check out http://www.opticalheritagemuseum.com.
  13. Thread: ANSI and AR

    by RT
    Replies
    9
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    4,724

    You can purchase a copy of the ANSI Z80.1 - 2015...

    You can purchase a copy of the ANSI Z80.1 - 2015 standard at

    http://webstore.ansi.org
  14. Actually, no. BpA is a substance known to the...

    Actually, no. BpA is a substance known to the State of California to cause female reproductive toxicity. It is not known outside of California to cause female reproductive toxicity, although some...
  15. http://www.visionmonday.com/latest-news/article/su...

    http://www.visionmonday.com/latest-news/article/sunshine-act-final-rule-requires-cl-manufacturers-to-report-payments-to-ods-but-does-not-apply-to-eyeglasses-sunglasses-or-otc-readers-39065/
  16. Replies
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    Correct on both points Robert.

    Correct on both points Robert.
  17. Replies
    21
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    10,162

    HOYA iD MyStyle lenses are, in fact dual surfaced...

    HOYA iD MyStyle lenses are, in fact dual surfaced front and back. I have seen the production line. The front surface is done first, then the back. If the lens will use HOYA's Sensity photochromic,...
  18. Replies
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    3,962

    Bisphenol A is known to the State of California...

    Bisphenol A is known to the State of California to cause reproductive toxicity, but is not know to cause cancer. http://oehha.ca.gov/proposition-65/chemicals/bisphenol-bpa

    Comments referring to...
  19. Replies
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    13,212

    Bisphenol A is not known to the State of...

    Bisphenol A is not known to the State of California to cause cancer. BpA is listed on Prop 65 for birth defects or other reproductive harm.

    You can view the full list of Prop 65 chemicals here. ...
  20. Replies
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    10,943

    It depends upon how you are defining "bad". ...

    It depends upon how you are defining "bad". Light below 420 nm may cause some eye strain, but is relatively low in terms of the blue light hazard function. Light around 435 nm is potentially the...
  21. Thread: 1.70

    by RT
    Replies
    7
    Views
    3,872

    Many years ago, Hoya marketing a material called...

    Many years ago, Hoya marketing a material called TESLALID with IR of 1.71. That material was discontinued in favor of the current 1.70 EYRY. That's where the confusion about 1.71/1.70 comes from.
    ...
  22. Replies
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    4,007

    Not similar at all.

    Not similar at all.
  23. Replies
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    3,063

    In the US, If you're talking about safety...

    In the US, If you're talking about safety protectors per ANSI Z87.1, and if your lab is properly complying with the drop ball testing requirements, there should be no worry. Your lab should have...
  24. Replies
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    5,876

    ANSI Z87.1 is available for purchase at...

    ANSI Z87.1 is available for purchase at http://webstore.ansi.org/

    Section 2.3.2 states that if any component of the protector has the permanent marking of Z87.1, then all components must meet all...
  25. Replies
    15
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    3,240

    Yes, TVC is currently on Reinekers Lane in...

    Yes, TVC is currently on Reinekers Lane in Alexandria. But I'm not sure exactly what role you think they play in "mandatory prism thinning". ANSI Z80.1 only mentions prism thinning insofar as to...
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