≥2屈光度散光儿童的角膜地形图，前节和高阶像差评估。,International Ophthalmology

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≥2屈光度散光儿童的角膜地形图，前节和高阶像差评估。
International Ophthalmology ( IF 1.4 ) Pub Date : 2020-02-19 , DOI: 10.1007/s10792-020-01313-8
Burçin Çakır ₁ , Nilgün Özkan Aksoy ₁ , Sedat Özmen ₁ , Özlem Bursalı ₁ , Erkan Çelik ₁ , Fatih Horozoğlu ₂

Affiliation

目的通过对2屈光度（dp）或更高散光的儿童使用角膜层析成像技术评估地形学发现，前段参数和高阶像差（HOA）。方法招募散光≥2 dp的儿童（研究组）和散光≤1 dp的儿童（对照组）。角膜散光，平均，陡峭，平坦角膜曲率（K）的发现，前后K的结果以及前段参数，包括前房深度，kappa距离，水平角膜直径，平均值，中央，中间，周边角膜厚度（CT），白色到白色（WTW）距离和瞳孔直径通过Galilei G4 Dual Scheimpflug角膜断层扫描测量。还评估了HOA，并在组之间进行了比较。结果研究组37例患儿58只眼，对照组37例患儿37只眼。研究组和对照组的平均年龄分别为9.7±2.4岁和9.3±1.6岁。研究组和对照组的平均散光分别为3.3±1.1 dp和0.5±0.3 dp（p <0.05）。研究组和对照组的总角膜散光分别为3.3±0.84 dp和1.14±0.47 dp（p <0.05）。在后陡峭K和后散光值方面，各组之间存在显着差异。在前节参数之间，两组之间的平均CT和WTW值在统计学上不同。发现HOA在两组之间有统计学差异。结论较高的后角膜散光，2 dp或更大散光的儿童的平均CT值更薄，WTW距离更低。此外，这些散光儿童的HOA更多。

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Corneal topography, anterior segment and high-order aberration assessments in children with ≥ 2 diopter astigmatism.

PURPOSE To assess topographic findings, anterior segment parameters and high-order aberrations (HOAs) by using corneal tomography in children with 2 diopters (dp) or more astigmatism. METHODS Children with 2 dp or more astigmatism (study group) and children with astigmatism less than 1 dp (control group) were recruited. Corneal astigmatism, mean, steep, flat keratometry (K) findings, anterior and posterior K results and anterior segment parameters including anterior chamber depth, kappa distance, horizontal corneal diameter, mean, central, middle, peripheral corneal thicknesses (CT), white-to-white (WTW) distance and pupil diameter were measured by Galilei G4 Dual Scheimpflug corneal tomography. HOAs were also assessed and compared between groups. RESULTS Fifty-eight eyes of 37 children in the study group and 37 eyes of 37 children in the control group were enrolled. The mean ages of groups were 9.7 ± 2.4 years and 9.3 ± 1.6 years in study and control groups, respectively. The mean astigmatism was 3.3 ± 1.1 dp and 0.5 ± 0.3 dp in study and control groups, respectively (p < 0.05). Total corneal astigmatism was 3.3 ± 0.84 dp and 1.14 ± 0.47 dp in study and control groups, respectively (p < 0.05). There was a significant difference between groups in terms of posterior steep K and posterior astigmatism values. Among anterior segment parameters, mean CT and WTW values were statistically different between groups. HOAs were found to be statistically different between groups. CONCLUSION Higher posterior corneal astigmatism, thinner mean CT and lower WTW distance were found in children with 2 dp or more astigmatism. Besides, HOAs were much more in these astigmatic children.

更新日期：2020-02-19

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