Crizal Prevencia glasses

JTL

diop I think solving both the medical and technical causes is important.

diop

JTL I agree solving the medical cause (if there is a prevalent one) is important, however if it is a case of "you need perfect stereo vision to not get any discomfort with new tech" then that solution is not available to me.

Therefore the ball lies in the technology, as hpst has stated before, if I have never had any issues with any screen-based technology until suddenly in the last 5 years, would you really believe it is a biological problem?

Of course our brains/vision system process the input around us - but as we know that dithering is the quick-movement of pixels, surely in principle that would disturb the end user in some way?

ensete

diop Therefore the ball lies in the technology, as hpst has stated before, if I have never had any issues with any screen-based technology until suddenly in the last 5 years, would you really believe it is a biological problem?

It is a brain problem. Technology is not "solving" the issue,it is avoiding the issue.

but as we know that dithering is the quick-movement of pixels, surely in principle that would disturb the end user in some way?

Dithering is not everyone's trigger. In my case, color is the trigger, dithering and flicker have no effect on me. It is a brain issue, and everyone's brain is unique

Has anyone tried the TheraSpecs glasses? In their site they talk about blue light filtering and blinking lights.

These are just a branded version of FL-41 coating that has been available for years. You can get the coating added to any lens you like. I've had custom FL-41 and Theraspecs, neither did a thing.

If there is not then we just won't ever be able to use displays again and that's untenable in my case at least.

It is a health problem, triggered by technology. Displays are always changing. Personally, I have high hopes for e-ink/e-paper displays, which have no backlight at all and are just like reading a book. But until then, yeah, it's a struggle. I'm rocking a 10 year old smartphone cause I can't find a new one that doesn't trigger my symptoms. I've bought and returned 37 so far. C'est la vie.

Peter

Has anyone tried the TheraSpecs glasses? In their site they talk about blue light filtering and blinking lights.

https://www.theraspecs.com/blog/led-light-sensitivity-and-migraine/

I did not find anyone mention them in the forum.

AGI

Peter Hey, I did not try but someone on this forum did, as I had asked the same question.

My understanding is that, by wearing Theraspecs and similar spectacles, some people could better tolerate overhead lighting but no one observed improvement while looking at offensive displays. If I remember correctly, even with regard to lighting some relief was experienced only with fluorescent lamps and not with LEDs.

AGI

For the first time I found some information about which lens tint to opt for. Not sure how much science there is behind, but at least it is some input.

https://blog.safetyglassesusa.com/how-do-you-choose-the-best-lens-tint/

528491

I bought Theraspecs and it didn't make a difference. Other people may have had different experiences.

AGI

__528491__ Thanks for your feedback. What is the main reason you bought Theraspecs glasses? Eyestrain from displays, from lighting or both? Thanks.

AGI

I just bumped into Glasses for neck and shoulder pain. They are called EYEZEN. They filter blue light, but I am not sure how they differ to Theraspecs or other brands except that they seem to be made to 0.01 dioptres (D) instead of the industry standard of 0.25 D. Essilor, the manufacturer, claims that people have more sensitive vision than the current correction steps of 0.25 D.
Has someone tested these glasses?

reaganry

just ordered some BLOKZ prescription glasses for $20 shipped! https://slickdeals.net/f/14000066-zenni-20-off-blokz-free-shipping-until-06-30?src=frontpage

AGI

reaganry Let us know how it goes please.

I had the idea of giving a go to glasses with neutral anti-reflective lenses I bought 20 years ago from an optician and never used.
To my great surprise I can tell a difference when I wear them in front of my MacBook. I put them on and off and the screen looks different. It is not placebo. Characters appear more neat with glasses. I do not get if it is specific to glossy displays. I will test them with matte screens.
The only problem is that the backside of the lenses reflect, so when I wear the glasses and the overhead light is on, I get a disturbing reflection from the left lens into my left eye. It quite unpleasant and distracting.

reaganry

had em for a week now, but I haven't felt up to using my phone with them yet. super crisp, but i feel like they make it harder to go to sleep if I wear them all day & maybe give me some headache/anxiety(hard to tell these days). I'll chime back in...

AGI

reaganry super crisp

With prescription or neutral lenses? What is their main feature and the main reason why you bought them? PC and smartphone use? To cut off blue light? Thanks!

reaganry

AGI prescription lenses - to block the blue light spike from screens.. the prescription was too strong to see my iphone so i had to take them off. 5 seconds later & i'm all fuzzy

AGI

reaganry Thanks for the update. Do I get it right that you cannot draw conclusions on the effect of the blue light filter because the prescription of the lenses was wrong?

reaganry

AGI correct

AGI

Glasses for Lazy Eye

diop

ensete It is a health problem, triggered by technology. Displays are always changing. Personally, I have high hopes for e-ink/e-paper displays, which have no backlight at all and are just like reading a book. But until then, yeah, it's a struggle. I'm rocking a 10 year old smartphone cause I can't find a new one that doesn't trigger my symptoms. I've bought and returned 37 so far. C'est la vie.

I wouldn't necessarily label it as a health problem, I could go months without symptoms by simply avoiding the 'bad' devices. Supposing we do have some rare sensitivity to a certain flicker frequency/backlight/color range, the onus is on the tech industry to support the needs of the users and not for us to be left behind. It still baffles me that there is such a small vocal minority on the web when we consider the ubiquity of smartphones, app-centric and LED-driven tech nowadays.

ensete

diop the onus is on the tech industry to support the needs of the users and not for us to be left behind

While I wish the world worked that way, unfortunately, it just doesn't. We are a very extreme minority of users, not representing a major market share, and to date no one in either our community, the medical community, or the technology companies themselves have even been able to definitively diagnose WHAT the problem is, let alone investing in the engineering needed to address it. History is rife with companies putting dangerous additives into common consumer products and even when the effects were devastating on a global scale (leaded gasoline, lead paint, CFC's, radium, narcotics) and the solution was obvious, it took decades for the respective industries to address the issues. A historically new issue, effecting a tiny, tiny slice of the population, where the actual root cause is still unknown? I am a betting man and I wouldn't put my money on it every being solved on the supply side of the equation. Nothing would make me happier to be proven wrong, but I'm not hopeful at all. So it's on us to navigate a pain free path as much as we can by experimenting, sharing information, and supporting each other.

It still baffles me that there is such a small vocal minority on the web when we consider the ubiquity of smartphones, app-centric and LED-driven tech nowadays.

99.9% of people use that tech every day, all day long, with no symptoms. We are the fringe, and human compassion drops off at an exponential rate the smaller the impacted population gets.

diop

ensete While I wish the world worked that way, unfortunately, it just doesn't. We are a very extreme minority of users, not representing a major market share, and to date no one in either our community, the medical community, or the technology companies themselves have even been able to definitively diagnose WHAT the problem is, let alone investing in the engineering needed to address it.

I guess I'm still finding it hard to swallow that I am part of an extremely small minority in this situation given how my life was before 2015. I could buy any device and have used every mainstream gadget you can think of since the 80's, and during my childhood. I literally never had symptoms until I tried MacOS in 2015, and although I'm not allergic to LED lighting, it is noticeably much harsher than pre 2010 LED lighting and the golden days of incandescent..

The thing is we haven't got the off switch for dithering on the GPU and Driver level after all this time. We still can't rule that out as an aggravator due to this fact. The tech companies are not giving us the choice to disable it, even for beta testing purposes, so unless somebody rolls their own dither-free Linux distro soon, we're out in the cold and at the mercy of these corporations.

ensete History is rife with companies putting dangerous additives into common consumer products and even when the effects were devastating on a global scale (leaded gasoline, lead paint, CFC's, radium, narcotics) and the solution was obvious, it took decades for the respective industries to address the issues

I agree, it's not the first time and probably won't be the last. Asbestos roofing which was prevalent in the last century has been known for decades to be poisonous.

ensete 99.9% of people use that tech every day, all day long, with no symptoms. We are the fringe, and human compassion drops off at an exponential rate the smaller the impacted population gets.

I would be interested to know over the last decade if there has been a spike in epilepsy-related diagnoses and eye disorders such as glaucoma/cataracts. Whether or not individuals get the symptoms we do, it has been scientifically proven that blue light is causing suppression of melatonin and affecting not just human beings but also wildlife. This topic is still rarely covered in the mass-scale media and is another case of the tech being pushed out before the research. I still find it hard to believe that these "scientists" could create LED lighting in phones etc with such a prominent blue spike but not have the means to measure it and prioritise the comfort of the public before mass-production.

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