Vertical Diplopia
Semin Neurol 20:21-30, Acierno,M.D., 2000
Binocular Vertical Diplopia
Mayo Clin Proc 73:55-66, Brazis,P.W.&Lee,A.G., 1998
Computed Tomographic Features of Nonthyroid Extraocular Muscle Enlargement
Ophthalmol 96:1038-1047, Patrinely,J.R.,et al, 1989