scholarly journals Effect of simulated octant visual field defects on the visual evoked potential (VEP)

2014 ◽  
Vol 7 (4) ◽  
pp. 238-240 ◽  
Author(s):  
Naveen K. Yadav ◽  
Kenneth J. Ciuffreda
PLoS ONE ◽  
2012 ◽  
Vol 7 (12) ◽  
pp. e52895 ◽  
Author(s):  
Anand Moodley ◽  
William Rae ◽  
Ahmed Bhigjee ◽  
Cathy Connolly ◽  
Natasha Devparsad ◽  
...  

The purpose of this pilot study was to assess hemianopic visual field defects objectively in individuals with stroke using the pattern, visual-evoked potential (VEP) technique. Subjects were comprised of 5 adults with documented hemianopic visual field defects. The central field and the intact hemi-field VEP amplitudes were significantly larger than found in the hemianopic field (p < 0.05). However, latency values were similar (p > 0.05). The objective pattern VEP has the potential to be used rapidly and reliably to detect for the presence of hemianopic visual field defects in stroke patients.


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