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Visuospatial skills, ocular alignment, and magnetic resonance imaging findings in very low birth weight adolescents
Karolinska Institutet.
Göteborg University.
Karolinska Institutet.
Karolinska Institutet.
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2009 (English)In: Journal of AAPOS, ISSN 1091-8531, E-ISSN 1528-3933, Vol. 13, no 3, p. 273-279Article in journal (Refereed) Published
Abstract [en]

PURPOSE: To describe ocular alignment and stereoacuity in adolescents with very low birth weight (VLBW) in comparison with a matched control group and to investigate associations with white matter damage of immaturity (WMDI) and visuospatial skills in the VLBW group. METHODS: Fifty-nine 15-year-old VLBW subjects and 55 age- and sex-matched controls with normal birth weight underwent examination, including measurement of ocular alignment using cover test and Maddox rod and cycloplegic refraction. Stereoacuity was assessed with the TNO test, best-corrected visual acuity with a Konstantin Moutakis letter chart, and visuospatial skills with the performance tests, defined as performance intelligence quotient (IQ), in the Wechsler Intelligence Scale for Children (WISC-III). All VLBW subjects underwent magnetic resonance imaging of the brain. RESULTS: Ocular misalignment was significantly more common in the VLBW group than in the control group (22% compared with 4%; p = 0.004). Exophoria, subnormal stereoacuity, and subnormal performance IQ were significantly more common in the VLBW group than in the control group (p = 0.006, p = 0.011, and p = 0.015, respectively). Ocular misalignment was associated with WMDI (p = 0.035) and subnormal performance IQ (p = 0.020). Of the VLBW subjects with ocular misalignment, 69% had WMDI and/or subnormal performance IQ. CONCLUSIONS: The VLBW adolescents had more visuospatial problems, lower stereoacuity, and more ocular misalignment than the control subjects. Ocular misalignment was associated with visuospatial deficiencies and/or WMDI in the VLBW group and was a better predictor for visuospatial deficits than WMDI.

Place, publisher, year, edition, pages
2009. Vol. 13, no 3, p. 273-279
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Medical and Health Sciences
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URN: urn:nbn:se:mdh:diva-10716DOI: 10.1016/j.jaapos.2008.11.008ISI: 000267343700012PubMedID: 19285889Scopus ID: 2-s2.0-67349279202OAI: oai:DiVA.org:mdh-10716DiVA, id: diva2:360211
Available from: 2010-11-02 Created: 2010-11-02 Last updated: 2017-12-12Bibliographically approved

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Martin, Lene

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