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Why weren't these invented decades or centuries ago?
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then you're not good at thinking
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so many people fail to read an article before posting
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i read it, and have read it before in the past. i'm willing to bet that i am the most knowledgeable person on this site when it comes to eyes and glasses.
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you may be good at optometry but you still missed the point that the articles talks about how the people using these glasses will not need an optometrist because they can just keep adding water until they feel that they have the best prescription.
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it may be that simple for some people, but finding a glasses prescription isn't as easy as dumping water in a bag. if it worked then i would be all for it. I'm just being skeptical.
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really? Are you serious.
For a while I got some faith back in NS, that has now evaporated (no pun intended).
The principle is that water when forced into a lens shape or a sphere, think a rain drop, will distort light. The membrane allows this distortion because of the equal pressure by the non compressible water. There is no doctor needed because you simply adjust the amount of water in the cell and see when your vision gets better.
This is a great advancement for people in very poor countries who might never have access to a doctor. These glasses can be mass produced and anyone can use them and adjust them themselves. Yes this would not prevent glaucoma but at least someone who make 10 dollars a month could see properly.
There are a lot of other uses I could see for this. Windows in your house, car mirrors, you could even devise a gel that would cross link after a certain amount of time and become hard so you would have a hard lens that would be more durable.
I love all you little arrogant bastards "This will never catch on" really?
face-palm/
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Its better than nothing for people in dirt poor places. Hell I may want to be an optometrist when I am older and make hella money prescribing glasses to people, but for places where the person to eye doctor ratio is about 1:1,000,000 these are a pretty damn good idea. They seemed to make the old black guy in the article happy, maybe they could help some others.
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i think theyre looking at the manufacturing side, not the amount of resources available. its would be cheaper... thus poor people can afford them
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