On-Line Resources
Cittadine, Andrew. “MEMS Reshapes Ultrasonic Sensing.” 1 February 2000. <http://www.sensorsmag.com/sensors/acoustic-ultrasound/mems-reshapes-ultrasonic-sensing-1066>
Harmon, Katherine. “Designer Focuses on Marketing Adjustable Eyeglasses at $1 a Pair.” Scientific American. 24 February 2009. <http://www.scientificamerican.com/article.cfm?id=adjustable-eyeglasses-poor>
Markoff, John. “Making
Eyeglasses That Let Wearers
Change Focus on the Fly.” New York Times. 3 August
2009 <http://www.nytimes.com/2009/08/04/science/04prof.html>
Resnikoff, S., Pascolini, D., Mariotti, S., Pokharel, G. "Global magnitude of visual impairment caused by uncorrected refractive errors in 2004." World Health Organization. January 2008. <http://www.who.int/bulletin/volumes/86/1/07-041210/en/index.html>
"Blindness and Visual Impairment: Global Facts." The International Agency for the Prevention of Blindness (IAPB). 15 March 2010. <http://www.vision2020.org/main.cfm?type=FACTS>
"Correction Methods." Centre for Vision in the Developing World. 15 March 2010. <http://www.vdw.ox.ac.uk/correctiontechniques.htm>
“Conversion of sound waves to electricity could lead to better LEDs and computer chips.” www.nanotechnologydevelopment.com. 23 January 2010. <http://www.nanotechnologydevelopment.com/computing/conversion-of-sound-waves-to-electricity-could-lead-to-better-leds-and-computer-chips.html>
“Lens (optics).” Wikipedia.org. 23 January 2010. <http://en.wikipedia.org/wiki/Lens_(optics)>
"Prevention of avoidable blindness and visual impairment." World Health Organization. 15 March 2010. <http://www.who.int/blindness/en/>
"World Population
Summary." International Database, U.S. Census Bureau, March 3, 2010
"Vision Care Market." Essilor Corporation 1 April 2010. <http://www.essilor.com.sg/vision-care-market.html>