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The use of low vision aids in children with a visual impairment: The influence of motor aspects.


- candidate number8151
- NTR NumberNTR2380
- ISRCTNISRCTN wordt niet meer aangevraagd.
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR15-jun-2010
- Secondary IDsNL26835.091.10 METC
- Public TitleThe use of low vision aids in children with a visual impairment: The influence of motor aspects.
- Scientific TitleThe use of low vision aids in children with a visual impairment: The influence of motor aspects.
- ACRONYM
- hypothesisThe first aim of this study is to evaluate the development of motor skills (goal directed arm movements) in children with a visual impairment compared to normally sighted peers. Our hypothesis is that children with a visual impairment have poorer motor skills compared to their normally sighted peers. The second aim of the study is to evaluate the influence of motor skill performance on the ability to use a magnifier. Our hypothesis is that poorer motor skills limit the ability of magnifier use.
- Healt Condition(s) or Problem(s) studiedVisual impairment, Children
- Inclusion criteria1. Children aged 3 to 8 years;
2. Visually impaired children (vision 0.05 3. No additional impairments;
4. Duration of pregnancy > 36 weeks.
- Exclusion criteria1. Visual acuity <0.05 or >0.3;
2. Additional (motor, intellectual) impairments;
3. Duration of pregnancy < 36 weeks.
- mec approval receivedyes
- multicenter trialyes
- randomisedno
- groupParallel
- Type2 or more arms, non-randomized
- Studytypeintervention
- planned startdate 1-mei-2010
- planned closingdate1-mrt-2013
- Target number of participants60
- InterventionsThe study investigates the effect of an evidence based magnifier training on the performance of goals directed arm movements in visually impaired children. In november and december 2010 the visually impaired children will receive an intervention. This intervention takes place over 6 weeks. Children will be visited at home by a trainer. During 6 weeks, 12 half hour sessions will take place.
- Primary outcomeThe dependent variable is the performance on a task that measures goal directed arm movements (before and after the magnifier training). Both time and accurracy will be analyzed. The goal directed movements are registered with a wacom tablet, that measures x,y-coordinates over time.
- Secondary outcomeThe performance of the children will be recorded by camera, in order to analyse work posture.
- TimepointsMeasuring points:
1. May 2010-july 2010: Collecting data normally sighted children;
2. September 2010-okt 2010: Collecting data (pre-measures) children with a visual impairment;
3. Okt-nov 2010: Intervention takes place;
4. Nov-jan 2010: Collecting post measures.
- Trial web siteN/A
- statusplanned
- CONTACT FOR PUBLIC QUERIESMSc Joyce Schurink
- CONTACT for SCIENTIFIC QUERIESDr. F.N. Boonstra
- Sponsor/Initiator Bartiméus
- Funding
(Source(s) of Monetary or Material Support)
ODAS, Bartiméus Stichting
- PublicationsN/A
- Brief summaryThe study investigates the use of low vision aids in children with a visual impairment, especially the influence of motor aspects. First, the study investigates the development of motor skills (goal directed arm movements) in children with a visual impairment compared to normally sighted peers. Second, the study investigates the influence of motor skill performance on the ability to use a magnifier. Finally, effect of a magnifier training on the performance of goal directed movements wil be measured.
- Main changes (audit trail)
- RECORD15-jun-2010 - 3-jul-2010


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