References / المراجع

1.  Clinical Management of Binocular Vision: Heterophoric, Accommodative, and Eye   Movement Disorders by Mitchell Scheiman and Bruce Wick

2.  Foundations of Binocular Vision: A Clinical Perspective by Scott Steinman, Barbara Steinman, and Ralph Garzia
3.  Pickwell's Binocular Vision Anomalies by Bruce J. W. Evans
4.  Binocular Anomalies: Diagnosis and Vision Therapy by John R. Griffin, J. David  Grisham, and Kenneth J. Ciuffreda