Parasagittal Parieto-Occipital Meningioma* *From the Richmond Hospital.

Mooney, Alan J.; Patrick, Carey; Ryan, Max; Bofin, Patrick

doi:10.1016/0002-9394(65)94777-x

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Ophthalmologic Etiologies1

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Cited by 25 publications

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“…Polyopiamultiples of objects (F) especially involving hands and arms were common. 76 Dysmetropsia is also termed dysmegalopsia or metamorphopsia and is a disorder of size perception. Objects can either appear smaller (micropsia) or larger (macropsia) than their objective size.…”

Section: Ophthalmologic Etiologiesmentioning

confidence: 99%

Visual Perceptual Abnormalities: Hallucinations and Illusions

Norton¹,

Corbett²

2000

Semin Neurol

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Visual perceptual abnormalities may be caused by diverse etiologies which span the fields of psychiatry and neurology. This article reviews the differential diagnosis of visual perceptual abnormalities from both a neurological and a psychiatric perspective. Psychiatric etiologies include mania, depression, substance dependence, and schizophrenia. Common neurological causes include migraine, epilepsy, delirium, dementia, tumor, and stroke. The phenomena of palinopsia, oscillopsia, dysmetropsia, and polyopia among others are also reviewed. A systematic approach to the many causes of illusions and hallucinations may help to achieve an accurate diagnosis, and a more focused evaluation and treatment plan for patients who develop visual perceptual abnormalities. This article provides the practicing neurologist with a practical understanding and approach to patients with these clinical symptoms.

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Section: Ophthalmologic Etiologiesmentioning

confidence: 99%