1. Research in orthokeratology. Part I, introduction and background;Kerns;J. Am. Optom. Assoc.,1976
2. Research in orthokeratology. Part II, experimental design, protocol and method;Kerns;J. Am. Optom. Assoc.,1976
3. Research in orthokeratology. Part III, results and observations;Kerns;J. Am. Optom. Assoc.,1976
4. Research in orthokeratology. Part IV, results and observations;Kerns;J. Am. Optom. Assoc.,1977
5. Research in orthokeratology. Part V, results and observations — recovery aspects;Kerns;J. Am. Optom. Assoc.,1977