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DrQuine
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re: Startup opens retina implant fab
DrQuine   11/8/2010 1:45:52 PM
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When people have cataract surgery, removal of the "yellow" lens, results in enhanced vision into the near ultraviolet (UV) because the blocking filter has been removed. A key consideration in what colors could theoretically be seen by people with implants is the combination of the spectral sensitivities of the sensors AND the lens in front.

DrQuine
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re: Startup opens retina implant fab
DrQuine   11/8/2010 1:41:39 PM
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As I recall, insects (and birds) are reported to have vision in the ultraviolet (UV) which may be useful especially when detecting flower patterns. While snakes use infrared (IR) - detected by the pit organs - to detect potential warm blooded prey, I believe that reports of IR vision in birds have been dismissed (Wikipedia "http://en.wikipedia.org/wiki/Bird_vision").

eewiz
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re: Startup opens retina implant fab
eewiz   11/7/2010 6:25:38 PM
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@iniewski If the insurance companies can be convinced to give reimbursements, then it will be benficial for atleast some people and its a business. The number of pixels seems rather small. Hope the future versions have better pixel density.

pjduncan
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re: Startup opens retina implant fab
pjduncan   11/5/2010 11:07:59 PM
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Distant evolutionary ancestors of humans had four types of cones (tetrachromatic). Most birds, many reptiles and some fish still do. Birds tend to see IR in addition to (human) visible spectrum. Some fish extend into UV. Mammals lost two cones, likely when primarily a nocturnal creature, to become dichromatic. In our recent primate evolutionary past, a genetic mutation reintroduced a third cone. *Disclaimer: unless of course we didn't evolve, and a supreme being has simply left a complicated set of physiological puzzles to keep us busy.* Speaking of interesting thoughts and enhanced vision. Scientists have used gene therapy techniques to give mice, normally dichromats, the ability to see three colors.

krisi
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re: Startup opens retina implant fab
krisi   11/4/2010 11:59:11 PM
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I wonder how many people can benefit from this technology. Clearly, not every blind person would be able to take advantage of it...I am surprised there is a business case to build the implant fab", although the fab described in the article is rather small...Kris

Luis Sanchez
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re: Startup opens retina implant fab
Luis Sanchez   11/4/2010 9:16:19 PM
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I wonder if we will be able to have a picture of what the people with these implants actually see. Will they see in real color or not? This is directly related with what's mentioned in the above comments in regards the interfacing between electronic connectors and nerves, and the way the electrical signals are conditioned and handled.

selinz
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re: Startup opens retina implant fab
selinz   11/4/2010 9:10:59 PM
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Next step is to provide a third eye in the center of your forehead and a fourth in the rear to give surround vision!

old account Frank Eory
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re: Startup opens retina implant fab
old account Frank Eory   11/4/2010 9:05:03 PM
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I agree, the idea of interfacing electrical signals directly to nerves is quite amazing. Especially when they talk about how the resolution could be improved in the future, this leads to some very interesting thoughts like could they also expand the range of visible wavelengths into the infrared and ultraviolet regions? I'm not suggesting they should, or that it's a good idea, but it does seem possible -- just a different sensor using the same electrical-to-nerve interface. Science fiction meets reality.

Kinnar
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re: Startup opens retina implant fab
Kinnar   11/4/2010 7:47:07 PM
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Its amazing it involves interfacing of tissue/nerve with electronic signal, it would be interesting to know about the kind of connections it will be using. And hope so that it will not result like "PS2" kind of connector.

Warren3
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re: Startup opens retina implant fab
Warren3   11/4/2010 6:26:12 PM
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Exciting tech to be sure, but the best part of this article (for me) today is its placement in the EE|Times Headlines for Thursday section alongside the article "Eye movement controls gaming console".



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