1. Contact lenses 2012;Nichols,2013
2. [Contact lens Clinical Pocket Guide, 3rd Edition], Association of Optometric Contact Lens Educators (AOCCLE) http://www.aocle.org/clPocketGuide.html (2012).
3. Interferometric testing of soft contact lenses;Williby,2003
4. Practical optics and computer design of contact lenses;Ford,1997
5. Transmitted wavefront testing of complex optics;Williby,2003