1. A new classification of the motor anomalies of the eye, based on physiologic principles. Part 2. Pathology.;Duane;Ann Ophthalmol Otolaryngol,1897
2. Borish's Clinical Refraction, 2nd ed.;Saladin,2006
3. General binocular dysfunctions in an urban optometry clinic.;Hokoda;J Am Optom Assoc,1985
4. Frequency of convergence insufficiency in optometry clinic settings.;Rouse;Optom Vis Sci,1998
5. The relationship between convergence insufficiency and school achievement.;Letourneau;Am J Optom Physiol Opt,1979