منابع مشابه
Functional visual loss.
Functional visual loss is a common problem encountered in practice. It must be recognized that this problem occurs in patients who have organic illness. Manual perimetry is the most effective method for evaluating functional visual loss, and the presence of a central scotoma in a functional visual field strongly suggests that organic pathology is present. Neuropsychological and psychiatric inte...
متن کاملAn atypical presentation of functional visual loss
RATIONALE Functional visual loss (FVL) can manifest as various symptoms. Decreased distant visual acuity is the most common symptom and visual field defect is the second most common symptom. Hemianopsia is rarely reported. In an atypical situation of FVL, it is important to prove that no organic pathology exists, through detailed history taking and appropriate examinations. PATIENT CONCERNS T...
متن کاملReorganization of early visual cortex functional connectivity following selective peripheral and central visual loss
Behavioral alterations emerging after central or peripheral vision loss suggest that cerebral reorganization occurs for both the afferented and deafferented early visual cortex (EVC). We explored the functional reorganization of the central and peripheral EVC following visual field defects specifically affecting central or peripheral vision. Compared to normally sighted, afferented central and ...
متن کاملblood loss estimation using gauze visual analogue
objectives to develop a guide to estimate blood absorbed by surgical gauze. materials and methods a clinical experiment was conducted using aspirated blood and common surgical gauze to create a realistic amount of absorbed blood in the gauze. different percentages of staining were photographed to create an analogue for the amount of blood absorbed by the gauze. results a visual analogue scale w...
متن کاملPostoperative Visual Loss
The anesthesiologist clearly caused this patient’s vision loss by letting the mean arterial blood pressure drop below 60 mmHg for more than 5 min. This patient is now blind because the anesthesiologist let the patient’s hematocrit level decrease to less than 24% during the case. The person providing the patient’s anesthesia failed to avoid prolonged pressure on the eye, leading to the patient’s...
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ژورنال
عنوان ژورنال: Neurologic Clinics
سال: 2010
ISSN: 0733-8619
DOI: 10.1016/j.ncl.2010.03.012