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Acta Paediatr. 2011 Jul;100(7):983-91. doi: 10.1111/j.1651-2227.2011.02218.x. Epub 2011 Mar 30.

Development of smooth pursuit eye movements in very preterm infants: 1. General aspects.

Author information

1
Department of Women's and Children's Health, Uppsala university, Uppsala, Sweden. katarina.strand-brodd@kbh.uu.se

Abstract

AIM:

To investigate early oculo-motor development in a population-based cohort of very preterm infants.

METHODS:

Early oculo-motor development was prospectively studied by measuring smooth pursuit eye movements at 2 and 4 months corrected age in a population of very preterm infants born in Uppsala County 2004-2007. Eighty-one preterm infants were studied, and 32 healthy term infants constituted the control group.

RESULTS:

The study group consisted of infants with a mean gestational age of 28 + 5 weeks. At 2 and 4 months corrected age, infants born very preterm showed lower gain (p < 0.001) and proportion of smooth pursuit eye movements (p < 0.001) compared to the control group. The boys showed higher gain of smooth pursuit eye movements at both 2 and 4 months corrected age, compared to girls.

CONCLUSIONS:

 Oculo-motor development measured by smooth pursuit eye movements is delayed in very preterm infants at 2 and 4 months corrected age. This might be a risk factor or early indicator of later perceptual and behavioural impairment.

PMID:
21332783
PMCID:
PMC3123744
DOI:
10.1111/j.1651-2227.2011.02218.x
[Indexed for MEDLINE]
Free PMC Article
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