1. Orthokeratology review and update.;Swarbrick;Clin Exp Optom,2006
2. Research in orthokeratology. Part VI: statistical and clinical analyses.;Kerns;J Am Optom Assoc,1977
3. Research in orthokeratology. Part V: Results and observations-recovery aspects.;Kerns;J Am Optom Assoc,1977
4. An evaluation of orthokeratology.;Binder;Ophthalmology,1980
5. The Berkeley Orthokeratology Study, part III: safety.;Polse;Am J Optom Physiol Opt,1983