Sources
Source #1
Dickinson, T. (2009). Light and Geometric Optics . On science 10 (). Toronto, ON: McGraw-Hill Ryerson.
Source #2
The Physics of Corrective Lenses. (n.d.). . Retrieved May 25, 2014, from http://www.angelfire.com/scifi2/eyeglass/
Source #3Vision Facts and Statistics . (n.d.). . Retrieved May 26, 2014, from https://www.mesvision.com/includes/pdf_Broker/MESVision%20Facts%20and%20Statistics.pdf
Dickinson, T. (2009). Light and Geometric Optics . On science 10 (). Toronto, ON: McGraw-Hill Ryerson.
Source #2
The Physics of Corrective Lenses. (n.d.). . Retrieved May 25, 2014, from http://www.angelfire.com/scifi2/eyeglass/
Source #3Vision Facts and Statistics . (n.d.). . Retrieved May 26, 2014, from https://www.mesvision.com/includes/pdf_Broker/MESVision%20Facts%20and%20Statistics.pdf