Diagnostic value of orbicularis oculi muscle electromyography in functional epiphora

Figure 1 Electromyography of the orbicularis oculi muscle: A disposable concentric facial electromyography needle electrode was inserted into Horner’s muscle.

Figure 2 The electromyography waveforms in the subjects. The time between the two vertical white bars is the duration of the electromyography waveform. 1: The normal control group; 2: The functional epiphora group; 3; The facial palsy group. The bar represents 10 ms.

Figure 3 The duration of the electromyography waveform in the different groups. The durations in group 2 and group 3 were significantly longer than that in group 1 (P < 0.05). 1: The normal control group; 2: The functional epiphora group; 3: The facial palsy group.