Carcinoma of the prostate is a common condition and often spreads to bone. We describe the imaging findings in two patients with known carcinoma of the prostate who presented with visual disturbance (both had papilloedema on examination). MRI showed occipital bone metastases and superior sagittal sinus thrombosis. We suggest that MRI is the imaging modality of choice in patients suffering from ...

Purpose: The present study aimed to investigate the effect of sensory and movement speed manipulations on bimanual coordination dynamics. Here we compared to what extent the absence and or bias of different sensory modalities affect performance of coordination of movements. Methods: Fifteen physical education students of Shahid Beheshti University (aged 18-25 years) were partici...

Visual perceptual disturbances in psychiatry range from absence of sensory stimuli to sensory distortion or deception [1]. Although less common than auditory hallucination, the presence of visual perceptual disturbance in patients with mental illness can be distressing [2]. Ascertaining the cause and type of visual perceptual disturbance occurring in symptomatic patients can be difficult to del...

OBJECTIVES A sphenoid sinus fungal ball is a rare disease that can cause visual disturbances. Most afflicted patients remain in an indolent state. However, once the visual disturbance has occurred, the recovery rate is very low. The purpose of this study was to overview the clinical characteristics of patients with a sphenoid sinus fungal ball and ascertain factors possibly related to the occur...

Visual perceptual disturbances in psychiatry range from absence of sensory stimuli to sensory distortion or deception [1]. Although less common than auditory hallucination, the presence of visual perceptual disturbance in patients with mental illness can be distressing [2]. Ascertaining the cause and type of visual perceptual disturbance occurring in symptomatic patients can be difficult to del...

Induced accommodation and changes in vision (distance and near) were measured monocularly and binocularly in 9 young healthy volunteers in a double blind study after administering to them pilocarpine hydrochloride 4%, Piloplex 3.4, and saline eye drop instillations. Piloplex 3.4, a new long-acting pilocarpine polymer salt, and pilocarpine hydrochloride 4% (both contain equal amounts of pilocarp...

We develop a new visual test, designed as software for quantifying discrimination capacity under low-illumination conditions. This is an important task in the presence of visual disturbances, such as those perceived by subjects with some ocular pathologies. For this purpose, we propose a visual-disturbance index, checking the test with two groups of observers having different ocular pathologies...

Two volunteers were exposed to various airborne concentrations of triethylamine. Levels of 18 mg/m3 for eight hours caused subjective visual disturbances (haze and halos) and objective corneal oedema. The effects faded within hours after the end of exposure. The visual disturbances are unpleasant and may cause accidents at work and in traffic after the end of work.