Adjustable Glasses!!??

awesome!

http://www.geek.com/articles/gadgets/joshua-silvers-silicon-injected-eyeglasses-for-the-poor-20090326/

some problems:

1) ugly
2) only spheres (no cylinder)
3) limited parameters (although admittedly +6.00 to -6.00 is pretty impressive)

interesting nonetheless!

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