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Many soft contact lenses in US made up of PFAS, research suggests

theguardian.com

31–40 of 120 posts

Re: Many soft contact lenses in US made up of PFAS, research suggests

#31

Well then. LASIK it is.

The other commenters pointed out that glasses are an option, but I feel like the real thing that is missed in lasik discussions is risk -- there is no risk of ruining your eyes by wearing glasses.

https://en.wikipedia.org/wiki/LASIK#Risks

Re: Many soft contact lenses in US made up of PFAS, research suggests

#33

Earlier quoted context omitted.

what happened to glasses?

They fog up and fall off. Sometimes very far off. Farther than I'm willing to climb.

If your glasses fall off then it sounds like a fit or material issue. Rimless titanium wire (hingeless) with polycarb lenses and they'll stay put in the most extreme of conditions with a sensible arm design.

Re: Many soft contact lenses in US made up of PFAS, research suggests

#34
post #18
post #14

PFAS is to my generation as leaded gasoline is to the prior generation(s), and asbestos to the ones before them, and so forth from when the first chimneys were put up to spew toxic sludge into our air and rivers at the start of the industrial revolution. There is something so sad, so unworkable, and so deeply troubling about how this kind of thing keeps happening.

we used to live malnourished, with stunted growth, women dying in childbirth to bring 8 kids into the world half of whom would die in childhood, with large numbers of men dying before they couldn't afford reading glasses they would need. (my gf was 1 of 5 surviving from 10 born, with horsedrawn transportation and starvation) all that industrialization brought us to much healthier longer lives filled with amenities un…

We don't fix them, what on earth are you talking about?

Nobody has any idea what to do about Wittenoom, it's screwed for a relative forever as far as human timescales are concerned. PFAS contamination is the same. So many of our mistakes are. We can't fix Chernobyl, the tens of thousands of barrels of DDT at the bottom of the ocean off the coast of California or scores of other atrocities we have committed. This isn't a case of breaking out the dustpan and broom and packing away our toys!

Re: Many soft contact lenses in US made up of PFAS, research suggests

#35
post #25
post #18

Earlier quoted context omitted.

we used to live malnourished, with stunted growth, women dying in childbirth to bring 8 kids into the world half of whom would die in childhood, with large numbers of men dying before they couldn't afford reading glasses they would need. (my gf was 1 of 5 surviving from 10 born, with horsedrawn transportation and starvation) all that industrialization brought us to much healthier longer lives filled with amenities un…

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Re: Many soft contact lenses in US made up of PFAS, research suggests

#36

If I want to sell lemonade, tea or coffee by the road, I need to apply for 5 different documents of some kind or another in my city. If I want to manufacture (or moreso, import ) things with all kinds of unknown, untested chemicals, I am free to do as I wish with no supervision.

Getting a medical device certified is much more difficult than selling beverages from a food cart.

People used to drink radium water for health benefits and think smoking wasn't a problem. Good science is reevaluating based on gained knowledge then behaving accordingly. Expect gained knowledge to lead to more strict regulation and certification standards.

Re: Many soft contact lenses in US made up of PFAS, research suggests

#37
post #14

PFAS is to my generation as leaded gasoline is to the prior generation(s), and asbestos to the ones before them, and so forth from when the first chimneys were put up to spew toxic sludge into our air and rivers at the start of the industrial revolution. There is something so sad, so unworkable, and so deeply troubling about how this kind of thing keeps happening.

I think we're gonna have several asbestos/lead moments in our lifetimes. PFAS, micro plastics, endocrine disruption, I'd also wager marijuana is likely to have its own big tobacco moment eventually, I've heard fruits and vegetables have slowly been losing nutrient density over generations but I have not looked into that yet. There's more nebulous things like the impact of AI or the way we now communicate (or don't communicate in many cases)... We have a lot of problems or potential problems that are going to be relatively subtle and or persistent over years and decades and I don't feel we are really taking them as seriously as we should. One thing that really worries me is how many of these various things may interact, we see this in pharmaceuticals where it's very hard if not impossible to rigorously test all the potential interactions. We have introduced a tremendous amount of changes to our lives in increasingly short time frames.

Re: Many soft contact lenses in US made up of PFAS, research suggests

#38
post #17

Earlier quoted context omitted.

I had low diopter astigmatism and got lazik 6 years ago at 39. I consider it the best decision I've ever made that was just for me. I still have perfect vision, and if it degrades again I will happily get it done again. Just my experience, but I have yet to meet anyone who has regretted it.

Can you really have the procedure done a second time?

It just re-shapes your lens via subtraction. you can have it done as many times as your lens has enough material to be molded into the required geometry via removing material.

Re: Many soft contact lenses in US made up of PFAS, research suggests

#39
post #5

Earlier quoted context omitted.

You know glasses exist, right?

I was just cleaning my shop and was constantly between fogged glasses behind eye protection and tons of dust accumulating on the lenses. I’ve worn glasses for 30 years and that aspect of wearing them is vastly inferior to corrective procedures or contacts. I would stick with contacts but, like this topic suggests, there are legitimate health concerns, and I can’t justify how disposable they are with no consideration…

The level of waste from monthly contact lenses is surely less than a grocery trip where you forget your reusable bags. I wouldn't even consider that aspect personally, they're tiny.

Re: Many soft contact lenses in US made up of PFAS, research suggests

#40
post #18
post #14

PFAS is to my generation as leaded gasoline is to the prior generation(s), and asbestos to the ones before them, and so forth from when the first chimneys were put up to spew toxic sludge into our air and rivers at the start of the industrial revolution. There is something so sad, so unworkable, and so deeply troubling about how this kind of thing keeps happening.

we used to live malnourished, with stunted growth, women dying in childbirth to bring 8 kids into the world half of whom would die in childhood, with large numbers of men dying before they couldn't afford reading glasses they would need. (my gf was 1 of 5 surviving from 10 born, with horsedrawn transportation and starvation) all that industrialization brought us to much healthier longer lives filled with amenities un…

>now as a society we uncover problems, we fix them. We're doing pretty well.

Doing pretty well?

Doubt if the parents of all those severely deformed thalidomide-affected babies, or the babies themselves, would agree:

https://en.m.wikipedia.org/wiki/Thalidomide

https://en.m.wikipedia.org/wiki/Thalidomide_scandal

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