检索结果-南通市图书馆

AB032. Exploring the effects of a retinal prosthesis on visual hallucinations related to Charles Bonnet syndrome

Annals of Eye Science 2019年第1期 207-207页

作者： Vincent Moore Marie Courchesne Mathieu Carignan sylvie cantin Frédérique Poncet Institut Nazareth et Louis-Braille du CISSS de la Montérégie-Centre LongueuilQCCanada Centre de Recherche Interdisciplinaire en Readaptation du Montreal Metropolitain MontréalQCCanada Concordia University MontréalQCCanada

Background:A first occurrence in the province of Quebec(Canada)of the use of a retinal prosthesis system(RPS)by a patient with a Charles Bonnet syndrome(CBS)provides a rare opportunity to explore the effects of this system on visual hallucinations(VH)related to *** that the RPS artificially induces a visual perception and that VH related to CBS occur in cases of significant vision loss,this study aimed to explore whether the recovery of a visual perception could affect the nature and frequency of VH related to ***:This is a case study with time series and repeated experimentation:a pre-intervention measure to establish the baseline level,two implant activation periods(A1 and A2)and a post-intervention measure(3 for each activation).The study is based on a 65-year-old man with retinitis *** has been functionally blind for about ten years and was completely blind at the time of the *** began to perceive VH corresponding to the CBS after a significant decrease of his visual *** the time of the study,these VH were frequent and often *** receiving the Argus II RPS,he participated,along with INLB staff,in an intensive rehabilitation program aiming at optimizing the use of the *** explore the effects of the RPS,we collected visual,cognitive,and mood-related data and documented the VH using the Charles Bonnet Syndrome Screening Questionnaire(cantin et al.,2018).Results:The visual acuity and visual field measurements show a significant improvement with the use of the RPS(visual acuity of 2.3 logMAR and visual fields of 12 degrees).Measurements of cognitive functions have shown high,stable,and close to the maximum *** data revealed low and relatively stable depression and anxiety scores over the course of the *** documented VH showed the characteristic features of *** nature and frequency of VH have varied widely over the study ***:The RPS improved the visual perceptions of the

关键词： Retinal prosthesis Charles Bonnet syndrome(CBS) visual impairment

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

*** and validation of a screening questionnaire for the Charles Bonnet syndrome

引用

Annals of Eye Science 2018年第1期 500-500页

作者： sylvie cantin Josée Duquette François Dutrisac Lise Ponton Marie Courchesne Roger Dufour Walter de Abreu Cybis Kassandre Montisci Walter Wittich Marie-Chantal Wanet-Defalque Institut Nazareth et Louis-Braille du CISSS de la Montérégie-Centre LongueuilQCCanada Centre de recherche interdisciplinaire en réadaptation du Montréal Métropolitain QCCanada École d’optométrie Universitéde MontréalÉcole d’optométrieMontréalQCCanada

Background:The purpose of this study is to develop a screening questionnaire for the Charles Bonnet syndrome(CBS)that is valid,particularly in terms of specificity and sensitivity,and that allows to examine certain dimensions of these hallucinatory manifestations,to better assess the needs of people who live with the ***:Interviews with clients of the Institut Nazareth et Louis-Braille who experienced visual hallucinations,supported by scientific literature and expert experience,guided the development of the *** content was first validated by six experts who assessed the questions developed,organized in seven subscales:(I)unusual perceptions;(II)contact with reality;(III)discriminatory screening;(IV)adaptation strategies;(V)psychological impact;(VI)description of the context of occurrence and(VII)*** a second step,a clinical study involving 76 people with visual impairment made it possible to determine the sensitivity and specificity of the instrument according to a criterion validity methodology,namely the clinical impression of a psychologist and/or an optometrist specialized in visual impairment,based on specific examinations and clinical *** who appeared to have a CBS following the scouting done by subscale 1(Unusual Perceptions)completed the rest of the ***:(I)The analyzes revealed a sensitivity of 1.00 and a specificity that varies from of 0.42 to 0.77 for the identification of CBS with the“Unusual Perceptions”subscale;(II)the administration of the questionnaire to the 76 study participants revealed that the wording of some questions needs to be improved;(III)the responses to the other 6 subscales of the questionnaire given by the 21 participants with SCB,show among others that most have simple rather than complex hallucinations and that these occur daily for 50%of *** do not negatively affect their mood,although they are experienced as disturbing by half of the participants with

关键词： Charles Bonnet syndrome(CBS) questionnaire screening

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：