Multifocal Visual Evoked Potential Latency Analysis

Multifocal visual evoked potential latency analysis: predicting progression to multiple sclerosis.

OBJECTIVE To monitor the difference in conversion rates to multiple sclerosis (MS) in 46 patients with optic neuritis between patients with multifocal visual evoked potential latency delay and those with normal latency. DESIGN Prospective case series. SETTING Metropolitan neuro-ophthalmology clinic. PARTICIPANTS Forty-six patients with optic neuritis who did not have a diagnosis of MS on ...

Study for Analysis of the Multifocal Visual Evoked Potential

PURPOSE To introduce the clinical utility of the absolute value of the reconstructed waveform method in the analysis of multifocal visual evoked potential (mfVEP). METHODS The mfVEP with 4-channel recording was performed using RETIscan® on 10 eyes of 10 normal subjects. Amplitudes were obtained from ring-shaped 6 areas and 4 sectors. The best visual evoked potential (VEP) response method and ...

The pattern-pulse multifocal visual evoked potential.

PURPOSE To define the pattern-pulse multifocal visual evoked potential (PPMVEP) and determine its characteristics in a sample of normal subjects in terms of amplitude of response attainable, the variation in waveform across visual field, and distribution of potential over the scalp and to compare pattern-pulse with contrast-reversal multifocal stimuli. METHODS VEPs were obtained by concurrent...

The effects of glaucoma on the latency of the multifocal visual evoked potential.

AIMS To determine the effect of glaucomatous damage on the latency of the multifocal visual evoked potential (mfVEP). METHODS Monocular mfVEPs were recorded from a glaucoma group (n = 50) defined by a glaucomatous disc and an abnormal visual field and a control group (n = 47). 25 patients were characterised as normal tension glaucoma (NTG) and 25 as high tension glaucoma (HTG). Monocular and ...

The effects of glaucoma on the latency of the multifocal visual evoked potential