Back to Search
Start Over
Current electrophysiology in ophthalmology
- Source :
- Current Opinion in Ophthalmology. 23:497-505
- Publication Year :
- 2012
- Publisher :
- Ovid Technologies (Wolters Kluwer Health), 2012.
-
Abstract
- To summarize current technique, indications, and pitfalls of electrophysiologic testing used in ophthalmology.Visual evoked potentials (VEPs) may be useful as an objective measurement of refractive error in complicated patients. VEP P100 latency was found superior to color vision and visual field in early stages of hydroxychloroquine maculopathy. VEP results can be predictive of visual recovery in traumatic optic neuropathy. Multifocal electroretinogram (ERG) or VEP can provide an objective assessment of visual field defects not yet present on automated perimetry in patients with glaucomatous and nonglaucomatous optic neuropathies. In patients with intraocular lymphoma, reduced amplitudes of all ERG components can be recorded, with the b-wave amplitude being most significantly affected.Various visual electrophysiologic tests are useful to the ophthalmologist, each with different indications. The flash ERG is most useful in diffuse retinal disorders, whereas the multifocal ERG is superior in localized retinal disease. VEPs can be valuable in diagnosing optic neuropathies, nonorganic visual loss, and assessing visual function in infants or children.
- Subjects :
- Refractive error
Eye Diseases
genetic structures
medicine.diagnostic_test
business.industry
Photic Stimulation
Vision Disorders
Objective measurement
MEDLINE
General Medicine
medicine.disease
Electrophysiology
Ophthalmology
P100 Latency
Electroretinography
medicine
Evoked Potentials, Visual
Humans
Optometry
Current (fluid)
business
Subjects
Details
- ISSN :
- 10408738
- Volume :
- 23
- Database :
- OpenAIRE
- Journal :
- Current Opinion in Ophthalmology
- Accession number :
- edsair.doi.dedup.....90cd659cf949ecd80cc88f0b52d19782