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Weren't blue-light glasses originally marketed as a solution to aid sleep by blocking out the sleep-disrupting effects of blue light emitted from screens in bed

Weren't blue-light glasses originally marketed as a solution to aid sleep by blocking out the sleep-disrupting effects of blue light emitted from screens in bed? Seems like they're debunking a claim that's not actually their selling point. https://www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side https://www.health.harvard.edu/staying-healthy/blue-light-ha...

bbstats 3y ago
past != present
Obscurity4340 3y ago
This is the primary use case.
drdaeman 3y ago
It is in the article; quoting it: > The idea behind blue-blocking lenses is to stop the light from entering the eye and throwing the circadian rhythm off; however, this has not been established with any degree of certainty in clinical studies, Miller said. [...] Then it goes on, mentioning some research in more detail. However, the article doesn't interpret anything, or talk about why the research about lens effect provided inconsistent results, or even link to the actual research where this may be explained.
- inciampati 3y ago
  It is interesting how decisive the comments are given the ambiguity here. Personally, I find that light reduction in general and blue light reduction in particular help me to fall asleep and she'll better. It could be placebo, but I don't care. I like to feel rested.
  - rg111 3y ago
    Same goes for me. Blue light filtering + glasses make me feel comfortable and good. I don't care if it is placebo. I wear prescription glasses anyway, and I pay about ~5 bucks extra (two years per glass), and blue light filters are free in phones and displays.
- J_Shelby_J 3y ago
  Someone should tell Wikipedia to update their entry on melatonin then. https://en.m.wikipedia.org/wiki/Melatonin https://en.m.wikipedia.org/wiki/Melatonin
WirelessGigabit 3y ago
Same reason Windows, Mac and iOS now have night light filters.
- BoxOfRain 3y ago
  Honestly even if that doesn't do much for most those things are great for me, I have a migraine-adjacent visual issue which gives me photophobia and lowering the colour temperature of light in general helps with that.
yencabulator 3y ago
That didn't sell well enough (to people who use a computer 8am-5pm), so now the sales pitch also includes eye fatigue and "improved visual performance", whatever that means.

bbstats 3y ago

past != present

Obscurity4340 3y ago

This is the primary use case.

drdaeman 3y ago

It is in the article; quoting it: > The idea behind blue-blocking lenses is to stop the light from entering the eye and throwing the circadian rhythm off; however, this has not been established with any degree of certainty in clinical studies, Miller said. [...] Then it goes on, mentioning some research in more detail. However, the article doesn't interpret anything, or talk about why the research about lens effect provided inconsistent results, or even link to the actual research where this may be explained.

inciampati 3y ago
It is interesting how decisive the comments are given the ambiguity here. Personally, I find that light reduction in general and blue light reduction in particular help me to fall asleep and she'll better. It could be placebo, but I don't care. I like to feel rested.
- rg111 3y ago
  Same goes for me. Blue light filtering + glasses make me feel comfortable and good. I don't care if it is placebo. I wear prescription glasses anyway, and I pay about ~5 bucks extra (two years per glass), and blue light filters are free in phones and displays.
J_Shelby_J 3y ago
Someone should tell Wikipedia to update their entry on melatonin then. https://en.m.wikipedia.org/wiki/Melatonin https://en.m.wikipedia.org/wiki/Melatonin

WirelessGigabit 3y ago

Same reason Windows, Mac and iOS now have night light filters.

BoxOfRain 3y ago
Honestly even if that doesn't do much for most those things are great for me, I have a migraine-adjacent visual issue which gives me photophobia and lowering the colour temperature of light in general helps with that.

yencabulator 3y ago

That didn't sell well enough (to people who use a computer 8am-5pm), so now the sales pitch also includes eye fatigue and "improved visual performance", whatever that means.