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Multifocal Visual Evoked Potential in Eyes With Temporal Hemianopia From Chiasmal Compression: Correlation With Standard Automated Perimetry and OCT Findings.

Abstract To verify whether multifocal visual evoked potential (mfVEP) can differentiate eyes with temporal hemianopia due to chiasmal compression from healthy controls. To assess the relationship between mfVEP, standard automated perimetry (SAP), and Fourier domain-optical coherence tomography (FD-OCT) macular and peripapillary retinal nerve fiber layer (RNFL) thickness measurements.
PMID
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Authors

Mayor MeshTerms

Tomography, Optical Coherence

Visual Field Tests

Keywords
Journal Title investigative ophthalmology & visual science
Publication Year Start




PMID- 28863215
OWN - NLM
STAT- MEDLINE
DA  - 20170901
DCOM- 20170908
LR  - 20170908
IS  - 1552-5783 (Electronic)
IS  - 0146-0404 (Linking)
VI  - 58
IP  - 11
DP  - 2017 Sep 01
TI  - Multifocal Visual Evoked Potential in Eyes With Temporal Hemianopia From Chiasmal
      Compression: Correlation With Standard Automated Perimetry and OCT Findings.
PG  - 4436-4449
LID - 10.1167/iovs.17-21529 [doi]
AB  - Purpose: To verify whether multifocal visual evoked potential (mfVEP) can
      differentiate eyes with temporal hemianopia due to chiasmal compression from
      healthy controls. To assess the relationship between mfVEP, standard automated
      perimetry (SAP), and Fourier domain-optical coherence tomography (FD-OCT) macular
      and peripapillary retinal nerve fiber layer (RNFL) thickness measurements.
      Methods: Twenty-seven eyes with permanent temporal visual field (VF) defects from
      chiasmal compression on SAP and 43 eyes of healthy controls were submitted to
      mfVEP and FD-OCT scanning. Multifocal visual evoked potential was elicited using 
      a stimulus pattern of 60 sectors and the responses were averaged for the four
      quadrants and two hemifields. Optical coherence tomography macular measurements
      were averaged in quadrants and halves, while peripapillary RNFL thickness was
      averaged in four sectors around the disc. Visual field loss was estimated in four
      quadrants and each half of the 24-2 strategy test points. Multifocal visual
      evoked potential measurements in the two groups were compared using generalized
      estimated equations, and the correlations between mfVEP, VF, and OCT findings
      were quantified. Results: Multifocal visual evoked potential-measured temporal P1
      and N2 amplitudes were significantly smaller in patients than in controls. No
      significant difference in amplitude was observed for nasal parameters. A
      significant correlation was found between mfVEP amplitudes and temporal VF loss, 
      and between mfVEP amplitudes and the corresponding OCT-measured macular and RNFL 
      thickness parameters. Conclusions: Multifocal visual evoked potential amplitude
      parameters were able to differentiate eyes with temporal hemianopia from controls
      and were significantly correlated with VF and OCT findings, suggesting mfVEP is a
      useful tool for the detection of visual abnormalities in patients with chiasmal
      compression.
FAU - Sousa, Rafael M
AU  - Sousa RM
AD  - Division of Ophthalmology and Laboratory of Investigation in Ophthalmology (LIM
      33), University of Sao Paulo Medical School, Sao Paulo, Brazil.
FAU - Oyamada, Maria K
AU  - Oyamada MK
AD  - Division of Ophthalmology and Laboratory of Investigation in Ophthalmology (LIM
      33), University of Sao Paulo Medical School, Sao Paulo, Brazil.
FAU - Cunha, Leonardo P
AU  - Cunha LP
AD  - Division of Ophthalmology and Laboratory of Investigation in Ophthalmology (LIM
      33), University of Sao Paulo Medical School, Sao Paulo, Brazil.
AD  - Department of Ophthalmology, School of Medicine, Federal University of Juiz de
      Fora, Minas Gerais, Brazil.
FAU - Monteiro, Mario L R
AU  - Monteiro MLR
AD  - Division of Ophthalmology and Laboratory of Investigation in Ophthalmology (LIM
      33), University of Sao Paulo Medical School, Sao Paulo, Brazil.
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Invest Ophthalmol Vis Sci
JT  - Investigative ophthalmology & visual science
JID - 7703701
SB  - IM
MH  - Adult
MH  - Evoked Potentials, Visual/*physiology
MH  - Female
MH  - Fourier Analysis
MH  - Healthy Volunteers
MH  - Hemianopsia/*diagnosis/physiopathology
MH  - Humans
MH  - Male
MH  - Middle Aged
MH  - Multimodal Imaging
MH  - Nerve Compression Syndromes/*diagnosis/physiopathology
MH  - Nerve Fibers/pathology
MH  - Optic Chiasm/*pathology/physiopathology
MH  - Optic Nerve Diseases/*diagnosis/physiopathology
MH  - Retinal Ganglion Cells/pathology
MH  - Statistics as Topic
MH  - *Tomography, Optical Coherence
MH  - Vision Disorders/diagnosis/physiopathology
MH  - *Visual Field Tests
MH  - Visual Fields/physiology
EDAT- 2017/09/02 06:00
MHDA- 2017/09/09 06:00
CRDT- 2017/09/02 06:00
AID - 2653223 [pii]
AID - 10.1167/iovs.17-21529 [doi]
PST - ppublish
SO  - Invest Ophthalmol Vis Sci. 2017 Sep 1;58(11):4436-4449. doi:
      10.1167/iovs.17-21529.