近视眼感觉优势与屈光不对称的关系

中国实用眼科杂志 Pub Date : 2017-06-10 DOI:10.3760/CMA.J.ISSN.1006-4443.2017.06.014

Junping Huang, Binbin Su, Haoran Wu, Zheyi Chen, Siyu Jiang, Xuhong Zhang, Zuopao Zhuo, Bin Zhang, Jun Jiang

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引用次数: 0

摘要

目的通过对近视眼Gabor信号的辨别，探讨眼感觉优势与眼间屈光差(IRED)的关系。方法选取2014年12月~ 2015年10月温州医科大学眼科医院近视患者361例。其中，根据眼间球当量(SE)的不对称性，177例受试者为非各向异性(IRED≤1D)， 184例受试者为各向异性(IRED>1D)。用基于计算机的心理物理技术测量眼感觉优势。在每次试验中，当受试者仅检测到Gabor信号时，记录眼球感觉指数(OSI)。采用t检验对每只眼睛采集的50个OSI值进行比较，并将t值作为受试者的眼优势指数(ODI)。结果非参差和参差受试者的SE、J0和J45无显著性差异。无参差和参差受试者的IRED分别为0.58±0.33D和2.52±1.29D，差异有统计学意义(Wilcoxon秩和检验，Z=-20.13, P <0.01)。各向异性受试者的ODI为4.04±3.74，显著高于非各向异性受试者的ODI(3.35±2.87)(Wilcoxon秩和检验，Z=-2.08, P=0.04)。在各向异性受试者中，IRED与ODI存在相关性(Pearson相关分析，R=0.39, P <0.01)。屈光参差者的主视眼近视程度更高(P <0.05)。结论屈光参差性近视比非屈光参差性近视具有更强的眼优势。显性近视的ODI与IRED相关，显性眼较近视。关键词:感觉优势;屈光参差症;心理物理学;近视

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Association between ocular sensory dominance and refractive error asymmetry in myopes

Objective To investigate the association between ocular sensory dominance and interocular refractive error difference (IRED) based on the discrimination of Gabor signal in myopes. Methods From December 2014 to October 2015, 361 myopia subjects at Eye Hospital of Wenzhou Medical University were recruited. Among them, based on the asymmetry between interocular spherical equivalent (SE), 177 subjects were non-anisometropic (IRED≤1D), 184 subjects were anisometropic (IRED>1D).Ocular sensory dominance was measured with computer-based psychophysics techniques. Ocular Sensory Index (OSI) was recorded when a subject just detected the Gabor signal during each trial. T-test was used to compare the 50 OSI values collected from each eye, and the t-val-ue was used as a subject’s ocular dominance index (ODI). Results No significant differences were found in SE, J0 and J45 between non-anisometropic and anisometropic subjects. IRED in non-anisometropic and anisometropic subjects were-0.58±0.33D and-2.52±1.29D respectively, which had significant differences between them (Wilcoxon rank sum test, Z=-20.13, P <0.01). ODI in anisometropic subjects was 4.04±3.74, which was significantly higher than ODI (3.35±2.87) in non-anisometropic subjects (Wilcoxon rank sum test, Z=-2.08, P=0.04). In anisometropic subjects, the IRED was correlated with ODI (Pearson correlation analysis, R=0.39, P <0.01). What’s more, the dominant eyes were more myopic in these anisometropic subjects (sign-test, P <0.05). Conclusions The anisometropic myopes have stronger ocular dominance in comparison to non-anisometropic myopes. ODI in myopes with clear dominance is associated with IRED, and the dominant eyes are more myopic. Key words: Sensory dominance; Anisometropia; Psychophysics; Myopia

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中国实用眼科杂志

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期刊介绍： China Practical Ophthalmology was founded in May 1983. It is supervised by the National Health Commission of the People's Republic of China, sponsored by the Chinese Medical Association and China Medical University, and publicly distributed at home and abroad. It is a national-level excellent core academic journal of comprehensive ophthalmology and a series of journals of the Chinese Medical Association. China Practical Ophthalmology aims to guide and improve the theoretical level and actual clinical diagnosis and treatment ability of frontline ophthalmologists in my country. It is characterized by close integration with clinical practice, and timely publishes academic articles and scientific research results with high practical value to clinicians, so that readers can understand and use them, improve the theoretical level and diagnosis and treatment ability of ophthalmologists, help and support their innovative development, and is deeply welcomed and loved by ophthalmologists and readers.