References
- Parks MM: Stereoacuity as an indicator of bifixation, in Arruga A (ed) : International Strabismus Symposium, Giessen 1966. Basel, S Karger, 1968, p 258.
- Helveston EM, von Noorden GK: Microtropia: A newly defined entity. Arch Ophthalmol 78:272–281, 1967.
- Lang J: Die bedeutungdes primären mikrostrabismus für die entstehung des schielins. (Primary Microstrabismus in the development of squint). Klin Monatsbl Augenheilkd 151:352–361, 1967.
- Parks MM, Eutis AT: Monofixational phoria. Am Orthopt J 11:38–45, 1961.
- Ciancia AO, Prieto Diaz J: Small angle esotropias. Arch Soc Oftal Lis Am 27: 628–633, 1967.
- Pratt-Johnson JA, Wee HS, Ellis S: Suppression associated with esotropia. Can J Ophthalmol 2:284–291, 1967.
- von Noorden GK: Etiology and pathogenesis of fixation anomalies in strabismus: IV. Roles of suppression scotoma and of motor factors. Am J Ophthalmol 69:236–245, 1970.