Comment Much cheaper and easier method already around (Score 1) 146
Josh Silver already has a better way to correct vision, and at a much cheaper cost too. No need for an optometrist either.
Movie demonstration: http://www.ted.com/talks/lang/eng/josh_silver_demos_adjustable_liquid_filled_eyeglasses.html
Text Article: http://www.scientificamerican.com/article.cfm?id=adjustable-eyeglasses-poor
Movie demonstration: http://www.ted.com/talks/lang/eng/josh_silver_demos_adjustable_liquid_filled_eyeglasses.html
Text Article: http://www.scientificamerican.com/article.cfm?id=adjustable-eyeglasses-poor