Difficulties in Daily Life Reported by Patients With Homonymous Visual Field Defects

Haan, Gera de; Heutink, Joost; Melis-Dankers, Bart; Brouwer, Wiebo; Tucha, Oliver

doi:10.1097/wno.0000000000000244

Cited by 34 publications

(23 citation statements)

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“…It does not matter how rigorous the design of a clinical trial, if the outcome measures and the basis of the sample size calculation are not appropriate, then the results will be meaningless. Development of good performance-based outcome measures that are relevant to the effects of the interventions, relevant to activities of daily living of patients with hemianopia 18 and suitable for implementation in clinic-based randomized controlled trials, is an ongoing challenge for the field of hemianopia rehabilitation research.…”

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confidence: 99%

Comments about outcome measures for clinical trials of interventions for post-stroke patients with hemianopia

2017

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Section: Dear Editormentioning

confidence: 99%

Comments about outcome measures for clinical trials of interventions for post-stroke patients with hemianopia

2017

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“…People with HVFD often report difficulty detecting obstacles located in the blind periphery in time when moving around. This may result in feelings of insecurity and even in collisions and may have a serious impact on participation in society [4]. …”

Section: Introductionmentioning

confidence: 99%

The Effects of Compensatory Scanning Training on Mobility in Patients with Homonymous Visual Field Defects: Further Support, Predictive Variables and Follow-Up

et al. 2016

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IntroductionPeople with homonymous visual field defects (HVFD) often report difficulty detecting obstacles in the periphery on their blind side in time when moving around. Recently, a randomized controlled trial showed that the InSight-Hemianopia Compensatory Scanning Training (IH-CST) specifically improved detection of peripheral stimuli and avoiding obstacles when moving around, especially in dual task situations.MethodThe within-group training effects of the previously reported IH-CST are examined in an extended patient group. Performance of patients with HVFD on a pre-assessment, post-assessment and follow-up assessment and performance of a healthy control group are compared. Furthermore, it is examined whether training effects can be predicted by demographic characteristics, variables related to the visual disorder, and neuropsychological test results.ResultsPerformance on both subjective and objective measures of mobility-related scanning was improved after training, while no evidence was found for improvement in visual functions (including visual fields), reading, visual search and dot counting. Self-reported improvement did not correlate with improvement in objective mobility performance. According to the participants, the positive effects were still present six to ten months after training. No demographic characteristics, variables related to the visual disorder, and neuropsychological test results were found to predict the size of training effect, although some inconclusive evidence was found for more improvement in patients with left-sided HVFD than in patients with right-sided HFVD.ConclusionFurther support was found for a positive effect of IH-CST on detection of visual stimuli during mobility-related activities specifically. Based on the reports given by patients, these effects appear to be long-term effects. However, no conclusions can be drawn on the objective long-term training effects.

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“…Third, experienced problems of patients with ABI may not always correspond to objectively assessed cognitive impairments (Edmonds et al, 2014;French, Lange, & Brickell, 2014;Lannoo et al, 1998), which may complicate or even mislead assessment and eventually diagnosis. For example, a considerable proportion of patients with ABI report nonspecific, visual complaints like "blurred" or "foggy" vision, reduced contrast sensitivity, or impaired adaptation to changes in light (Bulens, Meerwaldt, van der Wildt, & Keemink, 1989;De Haan, Heutink, Melis-Dankers, Brouwer, & Tucha, 2015;Zihl, 2011). Although these patients may describe their visual complaints in lower order sensory terms, such as 'blurry', the actual problem might be related to higherorder perceptual processes.…”

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Screening of visual perceptual disorders following acquired brain injury: A Delphi study

Vries

Heutink

Melis-Dankers

et al. 2017

Applied Neuropsychology: Adult

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Difficulties in Daily Life Reported by Patients With Homonymous Visual Field Defects

Abstract: A systematic inventory of difficulties experienced in daily life by patients with HVFD was performed using the ICF. These findings have implications for future study, assessment and rehabilitation of patients with HVFD.

Cited by 34 publications

References 17 publications

Comments about outcome measures for clinical trials of interventions for post-stroke patients with hemianopia

Comments about outcome measures for clinical trials of interventions for post-stroke patients with hemianopia

The Effects of Compensatory Scanning Training on Mobility in Patients with Homonymous Visual Field Defects: Further Support, Predictive Variables and Follow-Up

Screening of visual perceptual disorders following acquired brain injury: A Delphi study

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