Feghali J G, Bocquet X, Charlier J, Odom J V
Department of Ophthalmology, West Virginia University School of Medicine, Morgantown 26506.
Curr Eye Res. 1991 Mar;10(3):205-12. doi: 10.3109/02713689109003442.
The visual threshold for standard and flickering targets was determined and compared in 8 glaucoma patients, 8 glaucoma suspects and 13 normal controls. Using a Goldmann size III standard white light target, 25 points in the central 30 degrees of the visual field were tested. The location of these points was designed to reflect areas of the visual field commonly affected by glaucomatous damage. The same determinations were then repeated with the test target flickering at 25 Hz. All glaucoma patients had elevation of the visual threshold compared to normal controls for both standard and flickering targets. The absolute value of threshold elevation was not significantly different between standard and flickering lights. However, when larger targets were used, flicker thresholds were an average 8 dB higher (p less than 0.05) in the glaucoma patients compared to the normals, suggesting improved identification of glaucomatous damage with the use of larger flickering targets.
对8名青光眼患者、8名青光眼疑似患者和13名正常对照者测定并比较了标准目标和闪烁目标的视觉阈值。使用戈德曼Ⅲ号标准白光目标，对视野中央30度范围内的25个点进行了测试。这些点的位置旨在反映青光眼性损害通常影响的视野区域。然后用闪烁频率为25Hz的测试目标重复相同的测定。与正常对照者相比，所有青光眼患者的标准目标和闪烁目标的视觉阈值均升高。标准光和闪烁光之间阈值升高的绝对值没有显著差异。然而，当使用更大的目标时，与正常人相比，青光眼患者的闪烁阈值平均高8dB（p小于0.05），这表明使用更大的闪烁目标可改善青光眼性损害的识别。
