Vertical one-and-a-half syndrome with horizontal internuclear ophthalmoplegia and bilateral supranuclear ptosis in rostral midbrain and medial thalamic stroke

A man in his 50s presented to the emergency department (ED) with a sudden onset of diplopia, ptosis and clumsiness of his left hand for 2 days. His medical history was significant for hypertension, hyperlipidaemia and severe obstructive sleep apnoea. He also had paroxysmal atrial fibrillation (PAF