1. Research in orthokeratology. Part II: Experimental design, protocol and method.;Kerns;J Am Optom Assoc,1976
2. Research in orthokeratology. Part III: Results and observations.;Kerns;J Am Optom Assoc,1976
3. Research in orthokeratology. Part VIII: Results, conclusions and discussion of techniques.;Kerns;J Am Optom Assoc,1978
4. Reduction of myopia from corneal refractive therapy.;Sorbara;Optom Vis Sci,2005
5. Orthokeratology: Principles and Practice.;Mountford,2004