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*** and facilitators related to the use of optical low vision aids,a scoping review

Annals of Eye Science 2018年第1期 503-503页

作者： Marie-Céline Lorenzini Jonathan Jarry Walter Wittich School of Optometry Universitéde MontréalQCCanada crir/institut nazareth et louis-braille du cisss de la montérégie-centre QCCanada crir/centre de réadaptation MAB-Mackay du CIUSSS du centre-Ouest-de-l’Île-de-montréal QCCanada

Background:In recent decades,several studies have been performed in the field of(non-)use of assistive technology devices(ATs)and have found that many variables are likely to be involved in the decision-making process of whether a person with a disability uses or abandons their *** low vision rehabilitation,high variability rates and a variety of reasons for non-use of low vision aids has been *** of non-use of ATs have previously been categorized into personal factors,ATs factors,environmental factors of the user,and intervention *** is probable that some of these factors are also associated with the use of optical low vision aids(OLVAs).Thus,using a framework about adherence with medical interventions,the aim of this scoping review was to explore barriers and facilitators related to OLVAs(non-)***:Existing guidelines of the scoping review Methods were used to examine and summarize the extent,range,and nature of findings regarding factor categories associated to OLVAs *** were conducted using the following online databases:Embase,MedLine,and ErIC without limitation on publication dates.A combination of key words and MeSH terms was used based upon the identified core concepts of the research question:(I)low vision;(II)assistive technology;and(III)adherence.A charting form,a flow chart of the study selection process,and a combination of a descriptive numerical analysis and a thematic analysis of 24 studies were ***:The results of this review indicate high variability rates(range:13-50%,M=24%,SD=10%)of people possessing OLVAs but not using *** authors do not use a precise definition of“non-use”,and when a definition is provided,the terminology is *** expected,the four categories of variables identified are likely to be involved in OLVAs’(non-)use:(I)the largest number of concerns were personal *** aspects regarding personal characteristics were identified,such as demographic,ph

关键词： Low vision assistive technology optical low vision aid(OLVA) adherence

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***,motor and cognitive factors related to braille reading performance in aging:a scoping review

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Annals of Eye Science 2018年第1期 504-504页

作者： Natalie Martiniello Walter Wittich School of Optometry Universitéde MontréalQCCanada crir/centre de réadaptation MAB-Mackay du CIUSSS du centre-Ouest-de-l’Île-de-montréal MontréalQCCanada crir/institut nazareth et louis-braille du cisss de la montérégie-centre QCCanada

Background:A growing number of older adults with vision loss require vision rehabilitation services to address reading *** may be the most appropriate option for those with functional blindness,poor visual prognoses or dual sensory *** standardized braille assessment and training protocols are in place to guide interventions with children,there is a high degree of inconsistency and a lack of evidence-based knowledge about best practices to use with adults and seniors who require braille ***-related declines in tactile acuity,motor dexterity and cognition present unique barriers to braille training,but very little is known about the impact of aging on factors related to braille reading *** aim of this scoping review is to identify the perceptual,motor,and cognitive factors related to braille reading performance and to determine how these factors have been assessed or measured among blind adults and elderly individuals in prior ***:Using the scoping review method,a comprehensive search was conducted in three databases:PubMed,Educational resource Information Center(ErIC),and the Cochrane *** reviewers screened articles for inclusion to ensure internal agreement,based on identified exclusion ***:The initial search resulted in 1,565 qualitative and quantitative *** results synthesize the perceptual,motor and cognitive factors known to predict braille reading performance,how these variables are impacted by the aging process,and how they have been measured in prior ***:This scoping review is the first step in working towards the development of evidence-based assessment and training protocols to standardized practice with adult and senior clients who require braille *** also serves to clarify where current knowledge gaps exist in order to guide future studies on braille reading and aging.

关键词： Blind braille reading aging

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*** study on the actual lighting assessment method and the use of a standardized tool(LuxIQTM)

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Annals of Eye Science 2018年第1期 509-509页

作者： rebecca Henry Walter Wittich Marie-Chantal Wanet-defalque School of Optometry Universitéde MontréalQCCanada crir/institut nazareth et louis-braille du cisss de la montérégie-centre LongueuilQCCanada crir/centre de réadaptation MAB-Mackay du CIUSSS du centre-Ouest-de-l’Île-de-montréal MontréalQCCanada

Background:With the arrival of a new standardized tool and considering the multiple disadvantages of the actual method used for assesses lighting needs,the goal of the study was to compare the actual lighting assessment method used by the clinicians working in a rehabilitation center with the use of the *** reading is found to be the main difficulty mentioned by the majority of the clients at the rehabilitation centre and that past studies have shown the impact of lighting on improving reading speed and deceasing print size,the hypothesis stated that the use of the standardized tool would be statistically significantly superior than the use of the standard method on the variables on reading speed,print size,ocular fatigue,application of the recommendations and satisfaction of the length of time ***:Three clinicians proceeded to home lighting assessments for 28 participants aged from 19 to 100 years(mean=75,SD=27)old diagnosed with age-related macular degeneration or *** study evaluated and compared pre and post results between the two ***:The intervention did not have a statistically significant impact on any of the variables *** lighting assessment itself,with either the standard method or using the LuxIQ,statistically significantly decreased print size for reading(Preading print *** value the assessment but encounter various obstacles that prevent them from applying the lighting *** the positive impact of lighting,finding a solution so participants may profit from the benefits of this intervention is crucial.

关键词： Lighting LuxIQ age-related macular degeneration(AMD) reading speed print size

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AB106. OrVIS: a directory of tools for vision rehabilitation

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Annals of Eye Science 2018年第1期 512-512页

作者： Walter Wittich School of Optometry Universitéde MontréalMontréalQCCanada crir/centre de réadaptation MAB-Mackay du CIUSSS du centre-Ouest-de-l’Île-de-montréal MontréalQCCanada crir/institut nazareth et louis-braille du cisss de la montérégie-centre LongueuilQCCanada

Background:The OrVIS infrastructure aims to facilitate the development and availability of valid and adapted tools that will allow functional,perceptual,cognitive and psychological evaluation of low vision clients by researchers and clinicians who work in low vision and visual impairment ***:The tools developed or documented within OrVIS Infrastructure are tests or questionnaires which allow,or will allow to assess-in an accurate and reliable manner-characteristics related to visual *** tools in development are:(I)questionnaire de repérage des hallucinations visuelles liées au syndrome de Charles-Bonnet(Qr-SCB);(II)repérage des personnesâgées présentant des INDices de déficience VISUELle(IndiVisuel);(III)mesure de l’impact de la déficience visuelle dans les activités quotidiennes(MIDVAQ)and(IV)M’EYE read *** directory documents 14 tools and offers-within a descriptive sheet-characteristics,components and metrological properties as supported by cited scientific ***:The OrVIS Infrastructure,which aims at the development and availability of assessment tools,fills researchers’and clinicians’needs for measurement tools that are valid,effective and appropriate for use with a visually impaired *** tools are,especially in French,little known and hard to find,and represent a precious resource for those who want to evaluate the efficacy of treatments or ***:OrVIS is available at *** November 2015 and September 2017,the directory has been accessed 1,383 times by 952 unique visitors.

关键词： Visual impairment rehabilitation assessment tools

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*** interview based assessment’s sensitivity and specificity for identifying dual vision and hearing loss in older adults with and without risk of Mild Cognitive Impairment

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Annals of Eye Science 2019年第1期 211-211页

作者： Andrea Urqueta Alfaro Cathy MacGraw Walter Wittich Dawn Guthrie School of Optometry Universitéde MontréalMontrealQCCanada crir/centre de réadaptation MAB-Mackay du CIUSSS du centre-Ouest-de-l’Île-de-montréal MontréalQCCanada crir/institut nazareth et louis-braille du cisss de la montérégie-centre LongueuilQCCanada Wilfrid laurier University WaterlooONCanada

Background:dual vision and hearing loss or dual sensory impairment(DSI)negatively impacts a person’s ability to communicate,acquire information,and perform daily *** the incidence of DSI is higher in older adults(65+),and the fact that most developed countries are aging,there is expected increase in DSI *** detection and evaluation of DSI is of utmost importance because several aspects of health care delivery,and communication with health professionals,depend on *** DSI in older adults can be more difficult when they present with mild cognitive impairment(MCI),which may limit their ability to report sensory loss,potentially resulting on medical professionals failing to detect *** interrAI CHA is the only standardized interview instrument for adults(18+)that helps first-line health care providers to identify and assess *** study evaluated this instrument’s sensitivity and specificity for detecting vision and or hearing loss in older adults with and without risk of ***:The study sample consisted of 200 adults aged 64+that were receiving rehabilitation services for either vision loss only,hearing loss only,or *** measurements were collected:(I)interrAI CHA,which consists of roughly 150 closed-ended questions,two of which are used to identify DSI;(II)montreal Cognitive Assessment(MoCA),a 10-minute screening test that assess cognitive function and identifies individuals at risk of *** interrA CHA sensitivity and specificity for identifying DSI was calculated in comparison to gold standard objective measurements of vision and hearing obtained from participants’medical *** and specificity results were stratified based on risk of MCI,as assessed by the ***:Sensitivity for DSI was slightly better for respondents that were not at risk of MCI(97.4%)compared to those who were at risk of MCI(96.2%).Likewise,sensitivity for HL only was slightly better for respondents that were not at risk of MC

关键词： dual sensory impairment deafblindness screening

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

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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

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*** closed-circuit TV versus iPad in spot reading tasks

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Annals of Eye Science 2018年第1期 507-507页

作者： Walter Wittich Jonathan Jarry Julie-AndréMarinier Aaron Johnson School of Optometry Universitéde MontréalMontréalQCCanada crir/centre de réadaptation MAB-Mackay du CIUSSS du centre-Ouest-de-l’Île-de-montréal MontréalQCCanada crir/institut nazareth et louis-braille du cisss de la montérégie-centre LongueuilQCCanada department of Psychology Concordia UniversityMontrealQCCanada

Background:Spot reading,the ability to obtain short pieces of visual information,can easily be rehabilitated with magnification devices,such as loupes or portable closed-circuit TVs(CCTVs).However,they have limitations such as screen size and price and have previously been shown to be stigmatizing when used in *** arrival of tablet computers provides an alternative with greater magnification at a reduced *** present preliminary results on the objective and subjective comparison of the iPad and a portable CCTV for spot-reading ***:Twenty-three men and 30 women aged 19-93 years,with impaired visual acuity(due to central visual impairment,were asked to complete spot-reading tasks involving three common objects(TV cable bill,nutrition info on food package,box of eye drops)using the iPad and a portable CCTV in randomized *** measured their ability to complete each task and the time it took,in addition to their subjective device assessment and ***:A Bayes Factor and effect size analysis showed no statistically significant differences between the device conditions in the time to complete each task[BF01>4.05,median=−0.043,95%credible interval(−0.21,0.234)].Choosing one device over the other may simply depend on preference which,in our cohort,was divided(39.6%iPad,56.6%CCTV,3.8%neither)and which could be influenced by factors such as device size,usability or ***:The data indicate that,for certain spot reading tasks and levels of difficulty,the use of a tablet computer may be as efficient and effective as a traditional device such as a portable *** investigations will further examine device preference as we predict that it may influence device success and continuation of use.

关键词： Portable CCTV iPad spot reading

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*** of the international reading speed texts in a Canadian sample

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Annals of Eye Science 2018年第1期 510-510页

作者： Elliott Morrice Julian Hughes Walter Wittich Aaron Johnson department of Psychology Concordia UniversityMontrealQCCanada crir/centre de réadaptation MAB-Mackay du CIUSSS du centre-Ouest-de-l’Île-de-montréal MontréalQCCanada School of Optometry Universitéde MontréalMontréalQCCanada crir/institut nazareth et louis-braille du cisss de la montérégie-centre LongueuilQCCanada

Background:The International reading Speed Texts(IreST)were developed in Europe as a standardized measure to assess continuous reading in normally sighted and visually impaired *** IreST is used throughout the United States and Canada to assess reading speed;however,the normative values may not be valid in North America(NA).Additionally there are no normative values for individuals with visual *** aim of this study was to validate the IreSTs in a normally sighted English-speaking NA sample with and without a simulated reduction in visual ***:Fifty undergraduate students from Concordia University participated in this *** were systematically assigned to a counterbalanced order of testing conditions and were asked to read all 10 IreSTs *** normal and impaired vision conditions were counterbalanced such that the first set of five IreSTs were read with either the participants normal/corrected-to-normal vision or with a simulated 20/80 visual ***:Multiple two-sample dependent t-tests using a Holm-Bonferroni correction for multiple comparisons were used to compare the IreST values(means and standard deviations)to the current sample;the results showed statistically significant differences between the current samples mean reading speed and the values provided by the *** all cases,P were equal to or less than *** difference scores ranged from 14.87 to 30.05 wpm,with 95%confidence intervals ranging from 4.82 to *** of effect size using bias corrected Hedge’s g*ranged from 0.83 to 1.32,with 95%confidence intervals ranging from 0.25 to *** two-sample dependent t-tests using a Holm-Bonferroni correction for multiple comparisons were used to compare the mean reading speed in wpm of the normal and impaired vision conditions;the results showed statistically significant differences between the mean reading speeds of the normal vision condition and the simulated impairment conditio

关键词： International reading Speed Texts(IreST) reading speed simulated impairment assessment

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*** measures of stigma stereotypes

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Annals of Eye Science 2018年第1期 502-502页

作者： Corina lacombe Karine Elalouf Walter Wittich Sarah Fraser Aaron Johnson department of Psychology Concordia UniversityMontrealQCCanada School of Optometry Universitéde MontréalQCCanada crir/centre de réadaptation MAB-Mackay du CIUSSS du centre-Ouest-de-l’Île-de-montréal MontréalQCCanada crir/institut nazareth et louis-braille du cisss de la montérégie-centre MontréalQCCanada Interdisciplinary School of Health Sciences Ottawa UniversityONCanada

Background:The perceptions surrounding assistive technology have been shown to be increasingly stigmatizing in older adult *** stigmatization can lead individuals to the abandonment of the assistive *** now,the methods of identifying or predicting the stigma surrounding assistive technology has mostly been qualitative in *** we present a novel quantitate and qualitative research study that uses neuro-cognitive(psychophysics and EEG)and eye tracking technology,in addition to a new questionnaire to investigate the stigma associated with assistive ***,this approach plays a major role in understanding and predicting the neural and physiological correlates associated to ***:Thirty-four older adults(>50 years)took part in the *** determine the psychophysiological predictors of stigma surrounding assistive technologies,we monitored brain activity using EEG,heart rate and eye movements using an eye-tracker while participants viewed a series of images containing either an older or younger individual in different social scenarios(e.g.,talking to doctor,at coffee shop).In each scenario,the individual uses either no assistive device,a low stigmatizing device(e.g.,iPad),or a high stigmatizing device(e.g.,electronic magnifier).results:Here we present preliminary analysis of the eye movement *** shows that in comparison to images that contained a low stigmatizing device,in images that contain high stigmatizing devices,the latency to fixate the device is shorter,first fixation duration is longer,and the total number of fixations on the device are *** environment that the devices is used in has no effect on eye movement ***:Although the sample size is small,and based on a healthy older-adult population,these initial observations would indicate that latency to fixate and first fixation duration are predictors of stigma associated with assistive *** research should expand this predi

关键词： Assistive technology stigma

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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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