Citations:
"Astigmatism." BBC News. BBC. Web. <http://www.bbc.co.uk/health/physical_health/conditions/astigmatism2.shtml>.
Difference Between Astigmatic and Not Astigmatic Sight. Digital image. Ull Man Eye. Web. <http://www.ullmaneye.com/Astigmatism.jpg>.
"Statistics by Country for Astigmatism." RightDiagnosis.com. Web. <http://www.rightdiagnosis.com/a/astigmatism/stats-country.htm>.
"U.S. & World Population Clocks." United States Census Bureau. Web. <http://www.census.gov/main/www/popclock.html>.
Image Credits:
Difference Between Astigmatic and Not Astigmatic Sight. Digital image. Ull Man Eye. Web. <http://www.ullmaneye.com/Astigmatism.jpg>.
"Astigmatism." BBC News. BBC. Web. <http://www.bbc.co.uk/health/physical_health/conditions/astigmatism2.shtml>.
Difference Between Astigmatic and Not Astigmatic Sight. Digital image. Ull Man Eye. Web. <http://www.ullmaneye.com/Astigmatism.jpg>.
"Statistics by Country for Astigmatism." RightDiagnosis.com. Web. <http://www.rightdiagnosis.com/a/astigmatism/stats-country.htm>.
"U.S. & World Population Clocks." United States Census Bureau. Web. <http://www.census.gov/main/www/popclock.html>.
Image Credits:
Difference Between Astigmatic and Not Astigmatic Sight. Digital image. Ull Man Eye. Web. <http://www.ullmaneye.com/Astigmatism.jpg>.