Development of the Preverbal Visual Assessment (PreViAs) questionnaire

Pueyo, Victoria; García-Ormaechea, Inés; González, Inmaculada; Ferrer, C. Hidalgo; Mata, G De La; Duplá, María; Orós, Pedro; Andrés, Eva

doi:10.1016/j.earlhumdev.2014.01.012

Cited by 23 publications

(42 citation statements)

References 20 publications

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“…The observable behaviour is the child easily disengaging attention from one stimulus to look at another .…able to move the eyes quickly between two persons or two objects (extract from Question 4, PreViAs) [24]. …”

Section: Resultsmentioning

confidence: 99%

“……able to move the eyes quickly between two persons or two objects (extract from Question 4, PreViAs) [24]. …”

Section: Resultsmentioning

confidence: 99%

“…The observable behaviour is whether there is purposeful and effective use of this interaction in everyday activities . Whilst it is acknowledged that children with cerebral palsy have varying manual abilities, the interaction between vision and manual actions is a strong theme.…observe his/her own hands (extract from Question 6, PreViAs) [24]. …”

Section: Resultsmentioning

confidence: 99%

“…This process was complex, with most measures containing some items whose meaning was unclear, making it difficult to know what the item was about, and as a result, the identification of linking units and ICF-CY codes was inconsistent between linkers . For example, Item 3 from the Preverbal Visual Assessment (PreViAs) asks “Is he/she able to look towards a sound source?” [24]. Different authors (linkers) considered that this item may be about ‘looking’, ‘turning to look’, ‘hearing a sound’ or ‘sound localisation’.…”

Section: Methodsmentioning

confidence: 99%

See 3 more Smart Citations

Methods for conceptualising ‘visual ability’ as a measurable construct in children with cerebral palsy

Denver

Adolfsson

Froude

et al. 2017

BMC Med Res Methodol

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BackgroundVision influences functioning and disability of children with cerebral palsy, so there is a growing need for psychometrically robust tools to advance assessment of children’s vision abilities in clinical practice and research. Vision is a complex construct, and in the absence of clarity about this construct it is challenging to know whether valid, reliable measures exist. This study reports a method for conceptualising ‘visual ability’ as a measurable construct.MethodsUsing the items from 19 assessment tools previously identified in a systematic review, this study used a two-phase process: first, deductive content analysis linked items to the International Classification of Functioning, Disability and Health - Child and Youth version (ICF-CY), and second, vision-specific ‘Activity’-level items were explored using inductive thematic analysis.ResultsThe linking and content analysis identified that existing assessment tools are measuring vision across the ICF-CY domains of Body Functions, Activities and Participation, and Environmental and Personal Factors. Items specifically coded to vision at the Activity level were defined as measuring ‘how vision is used’, and these items form the basis of the conceptualisation that ‘visual ability’ is measurable as a single construct.The thematic analysis led to the identification of 3 categories containing 13 themes that reflect a child’s observable visual behaviours. Seven abilities reflect how a child uses vision: responds or reacts, initiates, maintains or sustains looking, changes or shifts looking, searches, locates or finds, and follows. Four interactions reflect the contexts in which a child uses their vision to purposefully interact: watches and visually interacts with people and faces, objects, over distance, and with hands. Finally, two themes reflect a child’s overall use of vision in daily activities: frequency of use, and efficiency of use.ConclusionsThis study demonstrates an approach to exploring and explaining a complex topic utilising World Health Organization language and building on existing research. Despite the complexity of vision, the concept of ‘how vision is used’ can be clearly defined as a measurable construct at the Activity level of the ICF-CY. This study has identified observable visual behaviours that may be developed into items assessing how vision is used in daily activities.Electronic supplementary materialThe online version of this article (doi:10.1186/s12874-017-0316-6) contains supplementary material, which is available to authorized users.

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Section: Resultsmentioning

confidence: 99%

“……able to move the eyes quickly between two persons or two objects (extract from Question 4, PreViAs) [24]. …”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 2 more Smart Citations

Methods for conceptualising ‘visual ability’ as a measurable construct in children with cerebral palsy

Denver

Adolfsson

Froude

et al. 2017

BMC Med Res Methodol

View full text Add to dashboard Cite

show abstract

“…Many aspects of vision are either not developed or difficult to assess in preverbal infants. Preverbal infant ophthalmological testing can include visual fields, visual acuity, refractive state, and ocular health [26]. As children get older, depth perception and use of vision in daily activities, or "functional vision," can also be assessed [27].…”

Section: Assessing Vision In Childrenmentioning

confidence: 99%