Keywords post-herpetic neuralgia;transcutaneous electrical nerve stimulation;visual analogue scale;laser;Hamilton depression scale;Hamilton anxiety scale;

• 关键词带状疱疹后神经痛;经皮神经电刺激;红外偏振光;视觉模拟评分法;汉密顿抑郁量表;汉密顿焦虑量表;