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Visionaries

Paralyzed Graffiti Writer Tags Again With 'EyeWriter' Design



It must be nice to have friends as kind and brilliant as those of Los Angeles graffiti artist Tony Quan. And Quan must be a great guy (and artist), to boot. Since 2003, Quan has had Amyotrophic lateral sclerosis (ALS), a disorder that renders its sufferers largely paralyzed, while allowing them full use of their minds and eyes. As they hated to see their comrade incapable of any longer writing his tag, TEMPTONE, they gathered in Southern California this month to come up with a solution. Well, they did. And, though we don't pretend to understand exactly how it works, if you're so inclined, you can read it yourself. Behold, dear friends, the EyeWriter. [From: F.A.T., via BoingBoing]



Green Tech

Medicated Lenses Could Make Eye Drops Obsolete

Putting in eye drops is a pain. Applying drops into your eyes is a hard enough challenge, made even more frustrating by the fact that one mistimed blink will find you with drops streaming down your cheeks. Annoyances like this have led to bigger problems, like 59-percent of glaucoma patients not using their medicated eye drops despite the risk of going blind, Wired reports. To remedy this, researchers have developed contact lenses that can automatically dispense medication where and when it's needed.

Described in a paper published in the July issue of Investigative Ophthalmology & Visual Science, the lenses deliver a steady, concentrated stream of medication over a period of 30 days. The paper's co-author, Daniel Kohane, told Wired, "The main way our lens differs is that it can provide large amounts of drug released at constant rates for long periods of time, which previous discoveries have not been able to do."

The drugs, suspended in a gel around the edge of the lens, don't affect vision. Right now testing has only been performed in labs, but animal tests are coming soon, and hopefully within a year these will be on human eyes. [From: Wired/CNN]

Computers

Surgically-Implanted Contact Lenses Could Cure Host of Eye Problems

http://www.dailymail.co.uk/sciencetech/article-1054433/No-need-glasses-Bionic-super-lenses-correct-long-AND-short-sightedness-developed.html?ITO=1490
Scientists are working to develop a sort of miracle cure for many eye problems. The super lenses can correct near sightedness and far sightedness as well as repair or even prevent cataracts.

The technology is an attempt to combine the stiff plastic lenses that have been implanted in patients after cataract surgery for decades with the relatively newer, flexible intraocular lenses that correct near- or far-sightedness. The lenses would be implanted during a surgery similar to cataract surgery -- a small incision would be made in the eye and the natural lens removed, then the new "super" lens would then be inserted and the eye closed up without stitches.

The lenses are still five to ten years from hitting the market and are expected to cost less than $3,500 (though how much less remains to be seen). [From: Daily Mail]

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