1. Hokoda SC. General binocular dysfunctions in an urban optometry clinic. J Am Optom Assoc. 1985;56:560–562.
2. Purcell LR, Nuffer JS, Clements SD, et al. The cost effectiveness of selected optometric procedures. J Am Optom Assoc. 1983;54:643–647.
3. Bennett GR, Blondin M, Ruskiewicz J. Incidence and prevalence of selected visual conditions. J Am Optom Assoc. 1982;53:647–656.
4. Griffin JR. Binocular Anomalies: Procedures for Vision Therapy. 2nd ed. Chicago, Ill: Professional Press; 1982: chap 1.
5. Grisham D. The dynamics of fusional vergence eye movement in binocular dysfunction. Am J Optom Physiol Opt. 1980;57:645–655.