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. The Berkeley Orthokeratology Study, Part II;Polse;Am J Optom Physiol Opt,1983
5. The Berkeley Orthokeratology Study, part III;Polse;Am J Optom Physiol Opt,1983