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Thread: Migraine Shields, what the heck are they?

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    OptiBoard Apprentice Lawman Nick's Avatar
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    Migraine Shields, what the heck are they?

    Hey gang, I'm doing some research on this here company: https://www.migraineshields.com/
    I've been tasked with comparing the blue light blocker they use(BluTech, i guess?), that being said, is anybody familiar with them? How does it compare to say, a Prevencia?
    Do they use a specific lens to help mitigate migraines? (Besides from the blue blocker, which I'm not really sure about).

    Thank you!

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    Blutech says their blue blocker is not an a/r coating and is "built into the lens" so maybe its like a prevencia without the a/r? Prevencia does have a pretty yellow hue to it.

    Alternatively, Zeiss now offers pretty low cost plano lenses with their Duravision Blueprotect coating, which on paper seems to offer more protection than migraine shields. https://www.zeiss.com/vision-care/in...ueprotect.html

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    Funny this, virtually any yellow tinted lens will block blue better than coated lenses

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    What's up? drk's Avatar
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    Yeah, but then you see yellow, and look like a moose hunter.

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    So, now blue light causes migraines? I thought they were just pushing the macular degeneration and circadian disruption angles.

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    Compulsive Truthteller OptiBoard Gold Supporter Uncle Fester's Avatar
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    Sorry- This belongs on another thread but I'm leaving it here as well.


    I had my wife get a copy of this book for me last year and it is, imo, a must for those who want to explore outside the box thinking on vision and how the brain deals with color.

    https://www.lulu.com/en/au/shop/ian-...-1y84gvyp.html

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    Quote Originally Posted by Lelarep View Post
    So, now blue light causes migraines? I thought they were just pushing the macular degeneration and circadian disruption angles.

    Any colour of light can cause migraines if you are sensitive - most common cause is the L pathway, most migraines stop in a couple of minutes if it is attenuated, but you need to check before prescribing. To get a red inhibiting cr39 is difficult - but possible (i have designed them for clinical use). This is one where you cannot match by eye, the dominant wavelength and metamerism can give funny results.
    Would i buy them - no. Are they useful in some circumstances, probably yes.
    There are suggestions that in trigeminal problems that the magnocellular system balance needs to be addressed - but you have to check, empirical methods are unlikely to be reliable.

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    Quote Originally Posted by jarralad2 View Post
    Any colour of light can cause migraines if you are sensitive - most common cause is the L pathway, most migraines stop in a couple of minutes if it is attenuated, but you need to check before prescribing. To get a red inhibiting cr39 is difficult - but possible (i have designed them for clinical use). This is one where you cannot match by eye, the dominant wavelength and metamerism can give funny results.
    Would i buy them - no. Are they useful in some circumstances, probably yes.
    There are suggestions that in trigeminal problems that the magnocellular system balance needs to be addressed - but you have to check, empirical methods are unlikely to be reliable.
    To the best of my knowledge, this is all bunk.

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