期刊
ACTA OPHTHALMOLOGICA
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1111/aos.15672
关键词
axial length; birth weight; cornea; epidemiology; large for gestational age; small for gestational age
This study aimed to determine the effects of being small (SGA) or large for gestational age (LGA) on the ocular geometry of adults born at term. The results showed that severe and moderate prenatal growth restriction led to an altered ocular geometry, including a steepening of the cornea and a smaller corneal diameter.
Purpose: Intrauterine growth restriction leading to a birth weight (BW) which is too low for gestational age (GA) is a known risk factor for various altered organ morphologies and dysfunction in later life. This study aimed to determine for the first time the effects of being small (SGA) or large for gestational age (LGA) on the ocular geometry of adults born at term.Methods: All participants were examined with optical biometry (LenStar 900, Haag Streit) to compare the corneal curvature, white-to-white distance, anterior chamber depth, lens thickness and axial length between former moderate (BW percentile 3rd to <10th) and severe (BW <3rd percentile) SGA, controls (BW 10th-90th percentile) and former moderate (BW >90th to 97th percentile) and severe (BW >97th percentile) LGA. Multivariable linear regression was used to analyse associations with GA, BW percentile categories, placental insufficiency, preeclampsia and breastfeeding after adjustment for age and sex.Results: In total, 589 eyes of 296 individuals born at term (aged 30.0 +/- 9.4 years, 156 females) were examined, including 40 severe SGA, 38 moderate SGA, 140 with normal BW, 38 moderate LGA and 40 severe LGA. There was an association between a steeper corneal curvature with moderate (B = -0.201; p < 0.001) and severe SGA (B = -0.199; p < 0.001), with extreme SGA associated with smaller white-to-white (B = -0.263; p = 0.001) and a shorter axial length (B = -0.524; p = 0.031).Conclusions: Severe and moderate prenatal growth restriction in adults born at term leads to an altered ocular geometry, namely a steepening of the cornea and a smaller corneal diameter.
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