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. 2015 Feb 9;9:271–275. doi: 10.2147/OPTH.S75804

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© 2015 Mikaeili et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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Visual evoked potential of a patient with COPD.

Notes: Left side P100 latency was prolonged; Conclusion: normal right side visual evoked potential waveform parameters and mild demyelinating type lesion on left side optic pathway. (A) Visual evoked potential of the right eye. (B) Visual evoked potential of the left eye. (C) Parameters of both eyes.

Abbreviations: Ampl, amplitude; COPD, chronic obstructive pulmonary disease; Div, division; Fz, lead placed at the mid line frontal; Lat, latency; Oz, lead placed at the mid line occipital; rec, recording; Stim, stimulating.