1. Orthokeratology control of refractive errors through contact lenses;Grant;J Am Optom Assoc,1971
2. Orthofocus techniques;Jessen;Contacto,1962
3. Emmetropization through contact lenses;Neilson;Contacto,1964
4. Orthokeratology–part I;Ziff;J Am Optom Assoc,1968
5. An evaluation of orthokeratology;Binder;Am Acad Ophthalmol,1980