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Optic nerve hypoplasia in children and adolescents; prevalence, ocular characteristics and behavioural problems
Stockholm University, Faculty of Social Sciences, Department of Special Education.
2014 (English)In: Acta Ophthalmologica, ISSN 1755-375X, E-ISSN 1755-3768, Vol. 92, no 6, 563-570 p.Article in journal (Refereed) Published
Abstract [en]

Purpose: To report prevalence, ocular characteristics and coexisting behavioural problems in children and adolescents with optic nerve hypoplasia (ONH), which is a common cause of visual impairment in children in western countries, often associated with neurological or endocrinological problems and where autism has been reported in severe cases with blindness. Methods: This is a population-based cross-sectional study of patients <20 years of age who had been diagnosed with NH and lived in the county of Stockholm in December 2009. Ophthalmological assessments including fundus photographs with optic disc analyses were made. A questionnaire was used to screen for behaviour and development. Results: The prevalence of ONH in all living children <18 years of age in Stockholm was 17.3/100 000 with a prevalence of visual impairment (<0.3) of 3.9/100 000. In total, 66 patients, median age 9.3 years (0.6-19.4), 36 with bilateral and 30 with unilateral ONH, were included in the current study; 53 were re-examined clinically, group A, and 13 agreed to retrospective analyses of existing medical records, group B. Analyses of the optic discs were made in fundus photographs from 53 patients comparing a semi-automated (Retinal Size Tool) and a manual method (Zeki). There was a strong curvilinear correlation (r(S) = 0.91 p < 0.0001 for both eyes). Behavioural problems were more common (p < 0.05) in bilateral ONII. Conclusion: Optic nerve hypoplasia is a common ocular malformation with a prevalence of 17.3/100 000 children and adolescents <18 years of age in Stockholm. Unilateral ONH seems as common as bilateral.

Place, publisher, year, edition, pages
2014. Vol. 92, no 6, 563-570 p.
Keyword [en]
behaviour disc, area optic nerve hypoplasia, prevalence
National Category
Medical and Health Sciences Pedagogy
URN: urn:nbn:se:su:diva-101314DOI: 10.1111/aos.12270ISI: 000340585800033OAI: diva2:701568
Available from: 2014-03-04 Created: 2014-03-04 Last updated: 2014-09-22Bibliographically approved

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Ek, Ulla
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