Pathology showed a pituitary macroadenoma compressing the optic chiasm; likely to present with bitemporal hemianopsia or bitemporal scotomas 

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Color vision desaturation and central scotomas are typically seen in cases of optic neuritis 

Painful ophthalmoplegia can occur with cavernous sinus thrombosis 

“One and a half” syndrome is an extraocular muscle syndrome due to a lesion within the pons leading to unilateral damage of the paramedian pontine reticular formation (PPRF) and the ipsilateral medial longitudinal fasciculus (MLF)