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AB095. development of an assessment system of driver visual behaviours on a car simulator

Annals of Eye Science 2018年第1期 501-501页

作者： Josée Duquette walter de abreu cybis Isabelle Gélinas Geneviève Lize Marie-Chantal Wanet-defalque CRIR-Institut Nazareth et Louis-Braille LongueuilQCCanada Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal MontrealQCCanada Research Center Jewish Rehabilitation HospitalLavalQCCanada School of Physical and Occupational Therapy McGill UniversityMontrealQCCanada School of Optometry University of MontrealMontrealQCCanada

Background:(I)To describe the development and components of the automobile simulator driving behavior evaluation system developed by CRIR-Institut Nazareth et Louis-Braille;(II)to present the preliminary results of the content evaluation of the driving behavior evaluation ***:The evaluation system consists of five components:(I)the VS500M Car Simulator(Virage Simulation);(II)four VS500M driving scenarios,modified to minimize the occurrence of simulator sickness and expose subjects to commonly encountered driving situations on highways and city boulevards;(III)the Tobii Pro Glasses 2 eye tracking device;(IV)a car simulator driving behavior observation grid(DBOG);(V)a software application used during the behaviour evaluation phase,where synchronized video tracking,certain data from the simulator(e.g.,speed)and the DBOG grid are ***,the expected safe driving behaviors were identified,including 235 of a visual nature,supported by literature data and consultation of the project steering committee and an expert in driving *** behaviors were assessed in 22 subjects without visual impairment(mean age 55±20 years).Subsequently,the items were revised to determine their relevance based on their importance in terms of road safety or on the frequency with which behaviors were observed among *** analysis purpose,the items of the DBOG were grouped according to their content,by type of expected driving behavior(e.g.,following a stop,look to the left and right before crossing the intersection)or element to be detected(e.g.,pedestrians).Results:Some visual behaviors are difficult to observe with the eye tracker device because they are more dependent on peripheral than central *** are rarely observed,possibly because they are little or not realized in daily life or the representation of reality on the simulator does not stimulate their *** the other hand,the visual detection behaviors expected in a situation where

关键词： Car driving simulator visual behaviours assessment tool

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

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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

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