Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
300 participants
OBSERVATIONAL
2024-04-15
2025-04-30
Brief Summary
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• What influence do varying severities of vision and hearing loss have on information access, mobility, communication and fatigue.
Participants will fill out questionnaires and the researchers will measure their vision and hearing functions.
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Detailed Description
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The objective of this study is to determine which problems arise from different levels of impairments in visual and auditory functions. We will especially focus on the areas of access to information, communication, fatigue and mobility.
Study design
Participants' visual (visual acuity, visual field, contrast sensitivity) and auditory functions (hearing threshold, directional hearing, speech understanding) will be measured. We will use the following materials:
* ETDRS card
* Vistech card
* Octopus perimeter
* Affinity compact audiometer
* 8 Genelec 8020 DPM speakers (to measure directional hearing)
* Digits in Noise (DIN) test and NVA word lists
Several questionnaires will be filled out to measure difficulties in the areas of access to information, communication, fatigue and mobility:
* Dutch ICF Activity Inventory - domains watching TV, using a computer, using a telephone, mobility outdoors (walking), using public transportation and feeling fit
* Speech, Spatial and Qualities of Hearing Scale
* Spatial Localization Questionnaire
* Fatigue Assessment Scale
Study population:
* 150 people with dual sensory loss
* 50 people with a visual impairment
* 50 people with an auditory impairment
* 50 people with normal vision and hearing
Conditions
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Study Design
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CASE_CONTROL
CROSS_SECTIONAL
Study Groups
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participants with dual sensory loss
participants with both vision and hearing loss
No interventions assigned to this group
participants with vision loss
participants with vision loss only
No interventions assigned to this group
participants with hearing loss
participants with hearing loss only
No interventions assigned to this group
participants with normal vision and hearing
participants without vision or hearing loss
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* Good understanding of the Dutch language
* Clients: visual and/or auditory impairment (congenital or acquired)
* Other participants: normal vision and hearing
Exclusion Criteria
18 Years
ALL
No
Sponsors
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Royal Dutch Visio
OTHER
Amsterdam UMC, location VUmc
OTHER
Responsible Party
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R.M.A. (Ruth) van Nispen
prof.dr. R.M.A. van Nispen
Principal Investigators
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Ruth MA van Nispen, prof.dr.
Role: PRINCIPAL_INVESTIGATOR
Amsterdam UMC, location VUmc
Locations
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Amsterdam UMC, location VUmc
Amsterdam, North Holland, Netherlands
Countries
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Central Contacts
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Other Identifiers
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NL76924.029.22
Identifier Type: -
Identifier Source: org_study_id
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