Visual symptoms are common in PD and PD dementia and include difficulty reading, double vision, illusions, feelings of presence and passage, and complex visual hallucinations. Despite the established prognostic implications of complex visual hallucinations, the interaction between cognitive decline, visual impairment, and other visual symptoms remains poorly understood. Our aim was to character...

OBJECTIVE Our aim was to present 2 children with visual hallucinations possibly associated with clarithromycin administration at therapeutic dosage. SUBJECTS AND METHODS Two children were admitted to our hospital with sudden onset of visual hallucinations after taking clarithromycin at therapeutic dosage by mouth. Physical examination, laboratory investigations and imaging studies were normal...

Lilliputian hallucinations are infrequent but reported in a variety of states ranging from toxic metabolic states, medical, neurological and psychiatric conditions. We report three cases with different psychiatric diagnoses all presenting with vivid Lilliputian hallucinations. An attempt to apply the current biological mechanisms that explain complex visual hallucinations to Lilliputian halluci...

Brucellosis is an endemic zoonotic infectious disease in Middle East countries including Iran. This infection may involve central nervous system. Psychosis has been reported in rare cases with chronic brucellosis.A 26-year-old male shepherd patient who developed neuro-brucellosis and psychosis is presented. He had hallucinations (visual and auditory) and delusions. He was also impulsive and had...

A 60-year-old woman had sudden onset transient visual symptoms in her right visual field after having worsening postural headaches for 1 year. Visual symptoms included palinopsia or abnormally recurring visual imagery, macropsia, unformed hallucinations, and hemianopia (figure 1). The symptoms lasted from 5 minutes to a few hours. Imaging demonstrated multiple cavernous hemangiomas including on...

Giant cell arteritis (GCA) can produce a variety of visual symptoms. Among these, hallucinations are rare and usually accompanied by loss. We encountered 79-year-old female with GCA who presented without Magnetic resonance imaging (MRI) the head revealed stroke in right frontal lobe, probably caused GCA, resulting hallucinations. Visual not well recognized clinicians as presentation GCA. Howeve...

Impaired visual processing may play a role in the pathophysiology of visual hallucinations in Parkinson's disease. In order to study involved neuronal circuitry, we assessed cerebral activation patterns both before and during recognition of gradually revealed images in Parkinson's disease patients with visual hallucinations (PDwithVHs), Parkinson's disease patients without visual hallucinations...

69-year-old man presented to his doctor with complaints of visual hallucinations that first occurred 6 months before presentation. He reported having hallucinations most evenings. He saw the faces of people, odd shapes, animals and a spider, which he had tried to kill. He also reported seeing people that he knew sitting in the armchair next to his night table. The patient had no history of mood...

The following is a case of Charles Bonnet syndrome in an 86-year-old woman who presented with visual hallucinations. The differential diagnosis of visual hallucinations is broad and emergency physicians should be knowledgeable of the possible etiologies.