Supplementary Table 1.

Comparison of the present case and published cases

Case	Age (years)/Gender	Risk factors	Symptoms	Signs	Location (MRI)	Vascular abnormality	Etiology
1	69/female	HT, DM	Diplopia	Left-MDP, ICT	Left-paramedian	Nil	Nil
2	79/male	HT, alcohol	Diplopia, temporary loss of consciousness	Left-MDP, plusminus lid syndrome gait ataxia	Left-rostral	Nil	Nil
3	83/male	DM, HT, CHD, hyperlipidemia	Diplopia, unsteadiness	Left-MDP, ICT, disconjugate gaze	Left-posterior lateral	Nil	Nil
4	76/male	HT	Diplopia	Left-MDP	Left-paramedian	Nil	Nil
5	30/male	Smoke, hyperlipidemia	Diplopia, giddiness	Right-MDP	Right-ventral	Nil	Nil
6	57/male	DM, HT, smoke, alcohol	Diplopia	Left-MDP	Right-paramedian	Severe stenosis of right-PCA	LAA

Case 1: Derle et al.;[1] Case 2: Rabadi and Beltmann;[2] Case 3: Al-Sofiani and Lee Kwen;[3] Case 4: Lee et al.;[4] Case 5: Bal et al.;[5] Case 6: Our present case. Location (MRI): Location of brain lesions by MRI; DM: Diabetes mellitus; HT: Hypertension; CHD: Coronary artery disease; MDP: Medial rectus palsy; ICT: Impaired convergence test; PCA: Posterior cerebral artery; LAA: Large artery atherosclerosis; Nil: Not mentioned or no data; MRI: Magnetic resonance imaging.