|Appears in Collections:||Faculty of Health Sciences and Sport Journal Articles|
|Peer Review Status:||Refereed|
|Title:||Emmetropisation following preterm birth|
|Author(s):||Saunders, Kathryn J|
McCulloch, Daphne L
Wilkinson, A Graham
|Citation:||Saunders KJ, McCulloch DL, Shepherd A & Wilkinson AG (2002) Emmetropisation following preterm birth, British Journal of Ophthalmology, 86 (9), pp. 1035-1040.|
|Abstract:||Background/aims: Even in the absence of retinopathy of prematurity (ROP), premature birth signals increased risk for abnormal refractive development. The present study examined the relation between clinical risk factors and refractive development among preterm infants without ROP. Methods: Cycloplegic refraction was measured at birth, term, 6, 12, and 48 months corrected age in a cohort of 59 preterm infants. Detailed perinatal history and cranial ultrasound data were collected. 40 full term (plus or minus 2 weeks) subjects were tested at birth, 6, and 12 months old. Results: Myopia and anisometropia were associated with prematurity (p < 0.05). More variation in astigmatic axis was found among preterm infants (p < 0.05) and a trend for more astigmatism (p < 0.1). Emmetropisation occurred in the preterm infants so that at term age they did not differ from the fullterm group in astigmatism or anisometropia. However, preterm infants remained more myopic (less hyperopic) than the fullterm group at term (p < 0.05) and those infants born < 1500 g remained more anisometropic than their peers until 6 months (p < 0.05). Infants with abnormal cranial ultrasound were at risk for higher hyperopia (p < 0.05). Other clinical risk factors were not associated with differences in refractive development. At 4 years of age 19% of the preterm group had clinically significant refractive errors. Conclusion: Preterm infants without ROP had high rates of refractive error. The early emmetropisation process differed from that of the fullterm group but neither clinical risk factors nor measures of early refractive error were predictive of refractive outcome at 4 years.|
|Rights:||Published in the British Journal of Ophthalmology. Copyright: BMJ Publishing Group.|
|Shepherd - Emmetropisation following Preterm Birth.pdf||334.89 kB||Adobe PDF||View/Open|
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