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  • Title: [Combined use of pattern electroretinography and pattern visual evoked potentials in neuroophthalmological practice].
    Author: Benedek K, Pálffy A, Bencsik K, Fejes I, Rajda C, Tuboly G, Liszli P.
    Journal: Ideggyogy Sz; 2008 Jan 30; 61(1-2):33-41. PubMed ID: 18372773.
    Abstract:
    OBJECTIVE: To survey the role of pattern electroretinography (PERG) and pattern visual evoked potentials (VEPs) in the process of clinical evaluation of neuro-ophthalmological cases. The study is illustrated with the electrophysiological findings of 231 patients sent to our laboratory in 2005 because of the suspicion of damage in the optic pathway. METHODS: The RETIport program of the ROLAND equipment (Wiesbaden-Germany) was used to record PERGs and VEPs. The recordings were done according to the recommendations of the International Society for Clinical Electrophysiology of Vision. RESULTS: The combined application of PERG and VEP provided useful data on the retino-cortical conduction time and hence demyelinisation. The comparison of the N35/P50 and P50/N90 amplitudes of the PERG recordings greatly promoted the diagnostic procedure. CONCLUSIONS: The combined application of PERG and VEP methods is recommended in the assessment of optic nerve function of neuro-ophthalmological patients.
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