US Trends in Refractive Surgery: The 2006 ISRS/AAO Survey Richard J. Duffey, MD ** David Leaming, MD ISRS / AAO Meeting Las Vegas- November 11, 2006 **
U.S. Trends in Refractive Surgery: 2012 ISRS Survey - Partner of AAO - Richard J. Duffey, MD David Leaming, MD Refractive Subspecialty Day Chicago: November.
US Trends in Refractive Surgery: The 2007 ISRS/AAO Survey Richard J. Duffey, MD ** David Leaming, MD Refractive Subspecialty Day New Orleans - November.
US Trends in Refractive Surgery: The 2009 ISRS Survey Richard J. Duffey, MD David Leaming, MD Refractive Subspecialty Day San Francisco - October 24, 2009.
US Trends in Refractive Surgery: 2009 ASCRS Survey Richard J. Duffey, MD David Leaming, MD Boston: April 13, 2010.
US Trends in Refractive Surgery: The 2004 ISRS/AAO Survey Richard J. Duffey, MD David Leaming, MD ISRS / AAO Meeting New Orleans- October 22, 2004.
U.S. Trends in Refractive Surgery: 2013 ISRS Survey Richard J. Duffey, MD David Leaming, MD Refractive Subspecialty Day New Orleans: November 15, 2013.