Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other.
Monocular Diplopia
Refractory process - Corneal abnor - Cataract
Cortical process - Cerebral polyopia - Psychologic
Binocular Diplopia
Orbital disease - Thyroid myopathy - Cavernous sinus dis - Orbital myositis - Tolosa Hunt
Pain prominent - PCOM/SAH - VA dissection - GCA - Cavernous sinus dis
Cranial nerve Mononeuropathy - Elderly/DM/HTN - Microvascular ischemia
Cranial nerve Polyneuropathy - Elderly/DM/HTN - Microvascular ischemia
Other neurological deficits - Botulism - Wernicke encephalopathy - Miller Fischer syndrome - Myasthenia gravis - Brain stem stroke - Multiple sclerosis - Basilar meningitis
