1. Corneal curvature and astigmatic changes subsequent to contact lens wear;Rengstorff;J. Am. Optom. Assoc.,1965
2. Orthofocus technique;Jessen;Contacto,1962
3. Emmetropization through contact lenses;Neilson;Contacto,1964
4. Orthokeratology, Part I, Historical perspective;Coon;J. Am. Optom. Assoc.,1982
5. Orthokeratology, Part II, Evaluating the Tabb method;Coon;J. Am. Optom. Assoc.,1984