1. Early surgery in intermittent exotropia;Pratt-Johnson;Am J Ophthalmol,1977
2. Secondary esotropia;McDonald;Am Orthopt J,1970
3. Prisms in strabismus;Pigassou;Int Ophthalmol Clin,1966
4. Prisms in the management of intermittent exotropia;Hardesty;Am Orthopt J,1972
5. Weak cycloplegia for correction of exodeviations. Part II: Duration of partial cycloplegia and values of the AC/A ratio;Bicas,1978