Kushner, Burton J. (January 2008). "Causes and Prevention of Diplopia After Refractive Surgery". American Orthoptic Journal. 58 (1): 39–44. doi:10.3368/aoj.58.1.39. ISSN0065-955X.
Kushner, Burton J. (January 2008). "Causes and Prevention of Diplopia After Refractive Surgery". American Orthoptic Journal. 58 (1): 39–44. doi:10.3368/aoj.58.1.39. ISSN0065-955X.