2016
DOI: 10.5935/0004-2749.20160087
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Pattern-reversal visual evoked potentials as a diagnostic tool for ocular malingering

Abstract: Purpose: To investigate the contributions of transient pattern-reversal visual evoked potentials in the diagnosis of ocular malingering at a Brazilian university hospital. Methods: Adult patients with suspected malingering in one or both eyes were referred for visual evoked potential testing. Data from patients' medical records were reviewed and analyzed retrospectively. Data analysis included the distance optotype visual acuity based on a ETDRS retro-illuminated chart and the transient pattern-reversal visual… Show more

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Cited by 4 publications
(2 citation statements)
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“…Clinical PR-VEP testing should be interpreted with consideration of the activity of the retinal visual field; thus, a check size of 1° elicits a mostly parafoveal response, whereas a check size of 15′ elicits a foveal response. In their work, Soares and coworkers reported that patients with mild vision loss may occasionally have normal PR-VEP findings, indicating integrity of the visual pathway (9) . Thus, in this case, the peripapillary findings observed on SS-OCT associated with functional tests led us to believe that PVT is present.…”
Section: Discussionmentioning
confidence: 98%
“…Clinical PR-VEP testing should be interpreted with consideration of the activity of the retinal visual field; thus, a check size of 1° elicits a mostly parafoveal response, whereas a check size of 15′ elicits a foveal response. In their work, Soares and coworkers reported that patients with mild vision loss may occasionally have normal PR-VEP findings, indicating integrity of the visual pathway (9) . Thus, in this case, the peripapillary findings observed on SS-OCT associated with functional tests led us to believe that PVT is present.…”
Section: Discussionmentioning
confidence: 98%
“…[14] The tests are considered highly sensitive for the identification of malingering and factitious disorders. [15,16] Patients with clinical diagnosis of presumed ethambutol optic neuropathy were also investigated for VEP tests to detect ethambutol-induced toxic optic neuropathy. VEP records were characterized by varied abnormalities; bilateral P100 delay or reduced amplitudes, while in some, undetected waveforms and both P100 delays and amplitude reduction were noticed [ Table 2].…”
Section: Discussionmentioning
confidence: 99%