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: 2007 ASCRS Survey Richard J. Duffey, MD David Leaming, MD Chicago: April 8, 2008.
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:2002 ISRS SURVEY Richard J. Duffey, MD David Leaming, MD ISRS Meeting Orlando- October 18, 2002.
US TRENDS IN REFRACTIVE SURGERY: 2003 ASCRS SURVEY Richard J. Duffey, MD David Leaming, MD San Diego: May 3, 2004.
HOPE: 2011 Brighton Relay for Life edition
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.