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find Author "余敏忠" 5 results
  • Characteristics of the multifocal visual evoked potentials in anisometropic amblyopes

    Objective To investigate the characteristic of the multifocal visual evoked potentials(MVEP)and the visual function across the visual field in anisometropic amblyopes and isometropic amblyopes. Methods MVEP from 32 anisometropic amblyopic eyes and 31 control eyes were tested. Results In anisometropic amblyopic eyes,the latencies of MVEP were significantly prolonged.The amplitudes of MVEP were significantly attenuated in the central region of the visual field,and these phenomena gradually reduced with the increase of the eccentricity. Conclusion The visual function of anisometropic amblyopic eyes is reduced more significantly in the central region than in the peripheral region of the visual field. (Chin J Ocul Fundus Dis,20000,16:27-29)

    Release date:2016-09-02 06:05 Export PDF Favorites Scan
  • 多焦视网膜电图技术及临床应用

    多焦视网膜电图是视觉电生理学的一项重要新进展,它应用先进的数字信号处理和电子计算机技术,可在较短时间内同时测量几十度视野范围内几十到几百个区域的局部视网膜电图,并计算各局部反应的一阶反应和二阶反应,根据各反应的参数分 别了解视网膜内外层对应于视野各部位的功能,目前该技术已在临床上得到应用。 (中华眼底病杂志,2000,16:1-70)

    Release date:2016-09-02 06:05 Export PDF Favorites Scan
  • Motion perception of cones in patients with agerelated macular degeneration

    Objective To assess the change of the motion perception of cones in patients with AMD. Methods Motion perceptions of B、G and R cones of 20 eyes with dry type AMD were isolated by blue,green and red random dots stimulus displayed on the yellow,purple and blue-green background respectively,and keeping equiluminance between stimulus and background. Results The detecting displacement threshold and identifying threshold of motion perception from B,G and R cones were all damaged in eyes with dry type AMD compared with the normal group. Conclusion The abnormal changes of motion perception may reveal preclinical damage of visual function damage in dry type AMD. (Chin J Ocul Fundus Dis, 1999, 15: 219-221)

    Release date:2016-09-02 06:07 Export PDF Favorites Scan
  • 不同程度糖尿病视网膜病变的多焦视网膜电图特征及差异

    Release date:2016-09-02 06:03 Export PDF Favorites Scan
  • 糖尿病视网膜病变患眼的多焦视网膜电图定量分析

    Release date:2016-09-02 06:05 Export PDF Favorites Scan
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