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  1. #1
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    Safety and compliance of prescription spectacles ordered by the public via the Intern

    Safety and compliance of prescription spectacles ordered bythe public via the Internet

    Karl Citek, O.D., Ph.D.,Daniel L. Torgersen, MBA, MS,Jeffrey D. Endres, ABOC,d
    and Robert R. Rosenberg, O.D.e,f
    PacificUniversityCollege of Optometry, Forest Grove,Oregon; Walman Optical Company, Minneapolis, Minnesota;
    Optical Laboratories Association, Alexandria, Virginia; dThe Vision Council,Alexandria, Virginia; eState University of New York State College of Optometry, NewYork, New York; and fAccredited Standards Committee Z80.

    Abstract
    BACKGROUND: This study investigated prescription spectacles ordered from online vendors and delivered
    directly to the public for compliance with the optical tolerance and impact resistance requirements
    for eyewear dispensed in the United States.

    METHODS: Ten individuals ordered 2 pairs of spectacles from each of 10 of the most visited Internet
    vendors, totaling 200 eyewear orders. Spectacles ordered consisted of ranges of lens and frame materials,
    lens styles, and refractive corrections reflecting current distributions in the United States. Evaluations
    included measurement of sphere power, cylinder power andaxis, add power (if indicated),horizontal prism imbalance, and impact testing.

    RESULTS: We received and evaluated 154 pairs of spectacles, comprising 308 lenses. Several spectacles
    were provided incorrectly, such as single vision instead ofmultifocal and lens treatments added or
    omitted. In 28.6% of spectacles, at least 1 lens failed tolerance standards for at least 1 optical parameter,
    and in 22.7% of spectacles, at least 1 lens failed impact testing. Overall, 44.8% of spectacles
    failed at least 1 parameter of optical or impact testing.

    CONCLUSION: Nearly half of prescription spectacles delivered directly by online vendors did not meet
    either the optical requirements of the patient’s visual needsor the physical requirements for the patient’s
    safety.
    Optometry 2011;82:549-555

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    3. Safety and compliance of prescription spectacles orderedby ...
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    Optometry2011;82:549-555 For more than a century, the traditionalchannel for distribution of prescription spectacles to the public has involvedtrained professionals ...
    www.coocyl.org/recursos/ficheros/Datos%20adjuntos%20sin...
    Chris Ryser
    ________________________________________
    DLO. NA.IC.I.T.PO

    http://optochemicals.com............................. http://arcoatings.com

  2. #2
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    Thanks for posting Chris. No big surprises here!

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    Independent Problem Optiholic edKENdance's Avatar
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    I really hope this study makes it into the Marketplace episode next week.

  4. #4
    What's up? drk's Avatar
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    "Oh well, they're cheap enough so I'll take my chances"--John Q. Public

  5. #5
    OptiBoard Professional RT's Avatar
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    For those with short memories, there was a previous thread on this study:

    http://www.optiboard.com/forums/show...Ordered-Online

    The study was actually a joint effort by AOA, Vision Council, and OLA.
    RT

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    Quote Originally Posted by RT View Post
    For those with short memories, there was a previous thread on this study:

    http://www.optiboard.com/forums/show...Ordered-Online

    The study was actually a joint effort by AOA, Vision Council, and OLA.
    HA HA, sure wansn't performed by Coaster...

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