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对２９只原发性闭角型青光眼行图像反转视觉诱发电位（ＰＲ－ＶＥＰ）检查。采用亮度相同的黑／白、红、绿、兰刺激方格。视角分别为２０＇和４０＇。四种方格均表明原发性闭角型青光眼Ｐ波峰潜时明显延长，振幅降低，而不同颜色方格检查结果无显著差异认为因闭角型青光眼病理过程使黄斑区神经节细胞功能障碍所致。在闭角型青光眼组中２０＇方格测得的ＰＲ－ＶＥＰ异常率高于４０＇方格，故建议可用小方格ＰＲ－ＶＥＰ作为临床上原发性闭角型青光眼视功能评价的一种方法。
29 cases of primary angle-closure glaucoma underwent image-reversal visual evoked potentials (PR-VEP) examination. Using the same brightness of black / white, red, green, orchid to stimulate the grid. Viewing angles are 20 ’and 40’ respectively. Four squares showed that primary angle-closure glaucoma P-wave latency was significantly prolonged, the amplitude decreased, while the check results of different color squares was no significant difference that due to angle-closure glaucoma pathological process of macular degeneration of ganglion cells To In the angle-closure glaucoma group 20 ’square measured PR-VEP abnormalities higher than the 40’ square, it is proposed to use small square PR-VEP as clinical primary angle-closure glaucoma visual function evaluation of a Kind of method.