1. International contact lens prescribing in 2003.;Morgan;Contact Lens Spectrum,2004
2. International contact lens prescribing in 2007.;Morgan;Contact Lens Spectrum,2008
3. NC-EST2007-01, Annual Estimates of the Population by Sex and Five-Year Age Groups for the United States: April 1, 2000 to July 1, 2007 [database online].,2008
4. Interest of presbyopes in contact lens correction and their success with monovision.;Gauthier;Optom Vis Sci,1992
5. Factors influencing success of monovision contact lens fitting: Survey of contact lens diplomates.;Westin;Optometry,2000