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  1. Thread: Eyezen +4

    by RT
    Replies
    15
    Views
    1,789

    +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.
  2. Replies
    8
    Views
    2,096

    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.
    ...
  3. Hoya ST28 IQ.

    Hoya ST28 IQ.
  4. Replies
    25
    Views
    3,872

    Sensity Shine launched before the Transitions...

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

    by RT
    Replies
    2
    Views
    784

    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...
  6. 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...
  7. Replies
    5
    Views
    2,490

    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...
  8. Replies
    22
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    8,171

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

    Seems like that might be defrauding your lab if the lens isn't scratched.
  9. Replies
    3
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    3,292

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

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

    by RT
    Replies
    9
    Views
    4,621

    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
  11. 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...
  12. 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/
  13. Replies
    21
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    9,957

    Correct on both points Robert.

    Correct on both points Robert.
  14. Replies
    21
    Views
    9,957

    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,...
  15. Replies
    24
    Views
    3,897

    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...
  16. Replies
    59
    Views
    13,117

    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. ...
  17. Replies
    20
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    10,718

    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...
  18. Thread: 1.70

    by RT
    Replies
    7
    Views
    3,771

    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.
    ...
  19. Replies
    1
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    3,931

    Not similar at all.

    Not similar at all.
  20. Replies
    13
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    3,033

    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...
  21. Replies
    33
    Views
    5,805

    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...
  22. Replies
    15
    Views
    3,229

    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...
  23. Replies
    15
    Views
    3,229

    In addition to being the Secretariat of Z80, TVC...

    In addition to being the Secretariat of Z80, TVC is a voting member of the ANSI Z80 and ANSI Z87.1 committees.
  24. Replies
    190
    Views
    51,284

    Do you have a link to one of those studies? ...

    Do you have a link to one of those studies? According to the blue light hazard function in ANSI Z87.1, peak blue light hazard is at 435 to 440 nm. Less than 19% of the total blue light hazard is at...
  25. Replies
    37
    Views
    12,587

    Hoya has FSV Trivex with Recharge AR available.

    Hoya has FSV Trivex with Recharge AR available.
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