Cortical Visual Function in Preterm Infants in the First Year

Objective To assess visual function in low-risk preterm infants at 3, 5, and 12 months corrected age to determine whether the maturation of visual function in the first year is similar to that reported in term-born infants. Study design Seventy-five low-risk infants (25.0-30.9 weeks gestation) under...

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Veröffentlicht in:	The Journal of pediatrics 2010-04, Vol.156 (4), p.550-555
Hauptverfasser:	Ricci, Daniela, MD, Cesarini, Laura, MD, Gallini, Francesca, MD, Serrao, Francesca, MD, Leone, Daniela, MD, Baranello, Giovanni, MD, Cota, Francesco, MD, Pane, Marika, MD, Brogna, Claudia, MD, De Rose, Paola, MD, Vasco, Gessica, MD, Alfieri, Paolo, MD, Staccioli, Susanna, MD, Romeo, Domenico M., MD, Tinelli, Francesca, MD, Molle, Fernando, MD, Lepore, Domenico, MD, Baldascino, Antonio, MD, Ramenghi, Luca A., MD, Torrioli, Maria Giulia, MD, Romagnoli, Costantino, MD, Cowan, Frances, MD, PhD, Atkinson, Janette, PhD, Cioni, Giovanni, MD, Mercuri, Eugenio, MD
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Follow-Up Studies General aspects Gestational Age Humans Infant Infant, Newborn Infant, Premature - physiology Medical sciences Pediatrics Retrospective Studies Time Factors Vision, Ocular - physiology Visual Cortex - physiology Visual Perception - physiology
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Zusammenfassung:	Objective To assess visual function in low-risk preterm infants at 3, 5, and 12 months corrected age to determine whether the maturation of visual function in the first year is similar to that reported in term-born infants. Study design Seventy-five low-risk infants (25.0-30.9 weeks gestation) underwent ophthalmological examinations and a battery of tests (fix and follow, visual fields, acuity, attention at distance, and fixation shift) designed to assess various aspects of visual function at 3, 5, and 12 months corrected age. Results The results were comparable with normative data from term-born infants in all tests but fixation shift, suggesting that maturation of most aspects of visual function is not significantly affected by preterm birth. In contrast, >25% of preterm infants failed the fixation shift test at 3 months, with a higher percentage of failing at 5 and 12 months. Conclusions There is a specific profile of early visual behavior in low-risk preterm infants, with a high percentage of infants failing a test that specifically assesses visual attention and provides a measure of cortical processing.
ISSN:	0022-3476 1097-6833
DOI:	10.1016/j.jpeds.2009.10.042