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首页> 外文期刊>Indian Journal of Ophthalmology >Comparison of higher order aberrations in amblyopic and non-amblyopic eyes in pediatric patients with anisometropic amblyopia
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Comparison of higher order aberrations in amblyopic and non-amblyopic eyes in pediatric patients with anisometropic amblyopia

机译：屈光参差性弱视儿科弱视和非弱视眼高阶像差的比较

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Purpose: To compare the ocular higher order aberrations (HOAs) for the physiologic pupil size in amblyopic and non-amblyopic eyes of patients with anisometropic amblyopia in pediatric age group. Methods: Children between 5 and 15 years age having treatment na?ve anisometropic amblyopia; after a detailed examination by a pediatric ophthalmologist; underwent assessment of wavefront aberrations for both amblyopic and non-amblyopic eyes at their physiologic pupil sizes using i-Trace ray tracing wavefront aberrometer. The axial lengths were also measured using IOL Master 500. The RMS values of the total ocular higher order aberrations (HOAs) and those arising from internal and corneal components of the two eyes were tabulated and compared to look for differences. Comparison of total ocular aberrations for pre-determined refractive error groups was also done for amblyopic and non-amblyopic eyes separately. Results: Eighty-eight eyes of 44 subjects were included for analysis. Mean pupil size was comparable in between amblyopic and non-amblyopic eyes (3.98 mm vs. 4.07 mm, P = 0.346). The mean axial lengths of the two eyes were comparable (amblyopic eyes 23.13 mm vs. non-amblyopic eyes 22.88 mm, P = 0.419). Significant differences in total HOAs and those arising from the internal optics (except spherical aberrations) of the eye were noted between the two eyes. There were no differences in the corneal HOAs. The total HOAs were comparable amongst the various refractive error groups for amblyopic and non-amblyopic eyes individually. Conclusion: There are significant differences in ocular HOAs between amblyopic and non-amblyopic eyes in children with anisometropic amblyopia.
机译：目的：比较小儿屈光参差性弱视患者弱视和非弱视眼的生理性瞳孔大小的高阶像差（HOA）。方法：5至15岁的儿童接受过天然屈光参差性弱视治疗;经过儿科眼科医生的详细检查;使用i-Trace射线追踪波前像差仪对弱视和非盲眼的生理瞳孔大小进行波前像差评估。还使用IOL Master 500测量了轴向长度。将总的眼睛高阶像差（RMS）以及由两只眼睛的内部和角膜成分产生的RMS值制成表格并进行比较，以寻找差异。还分别对弱视和非弱视眼的预定屈光不正组的总眼像差进行了比较。结果：纳入44位受试者的88只眼进行分析。在弱视眼和非弱视眼之间，平均瞳孔大小相当（3.98 mm对4.07 mm，P = 0.346）。两只眼睛的平均轴向长度是可比较的（斜视眼23.13 mm与非斜视眼22.88 mm，P = 0.419）。两只眼睛之间在总HOA以及由眼睛的内部光学器件（球形像差除外）引起的总HOA上存在显着差异。角膜HOA没有差异。在弱视和非弱视眼的各个屈光不正组中，总HOA相当。结论：屈光参差性弱视儿童的弱视眼与非弱视眼的HOA有显着差异。

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