The Therapeutic Effect of Combination of Orbital Decompression Surgery and Methylprednisolone Pulse Therapy on Patients with Bilateral Dysthyroid Optic Neuropathy

Table 7

Improvement of visual evoked potential parameters of the operated eyes and fellow eyes after treatment in patients with bilateral DON.

	Improvement of operated eye, N = 23	Improvement of fellow eye, N = 23
60′ P100 latency (ms)	28.1 ± 29.93	−3.3 ± 10.17	0.002
60′ P100 amplitude (μV)	2.5 ± 3.97	−0.1 ± 5.51	0.102
30′ P100 latency (ms)	40.2 ± 32.87	−17.2 ± 35.55	0.001
30′ P100 amplitude (μV)	2.4 ± 3.56	0.0 ± 4.31	0.083
15′ P100 latency (ms)	20.7 ± 25.87	−9.9 ± 36.30	0.005
15′ P100 amplitude (μV)	2.0 ± 6.18	−1.1 ± 4.49	0.004

Wilcoxon matched-pairs signed ranks sum test in the operated and fellow eyes before and after treatment. DON: dysthyroid optic neuropathy.