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Flash electroretinograms and pattern visually evoked cortical potentials in Behçet's disease.
R D Cruz1, E Adachi-Usami, Y Kakisu
1Department of Ophthalmology, School of Medicine, Chiba University, Japan.
Japanese Journal of Ophthalmology
|January 1, 1990
Summary
Flash electroretinography (FERG) and pattern visually evoked cortical potential (PVECP) can monitor posterior segment changes in Behçet's disease. These tests help predict visual prognosis in patients with posterior uveitis.
Area of Science:
- Ophthalmology
- Neuroscience
Background:
- Behçet's disease is a multisystem inflammatory disorder.
- Posterior uveitis is a common ocular manifestation of Behçet's disease, potentially leading to vision loss.
Purpose of the Study:
- To evaluate the utility of flash electroretinography (FERG) and pattern visually evoked cortical potential (PVECP) in assessing posterior segment involvement in Behçet's disease.
- To determine the correlation between electrophysiological findings and visual acuity in these patients.
Main Methods:
- 12 patients with Behçet's disease and posterior uveitis underwent FERG and PVECP testing.
- Electrophysiological parameters were analyzed and correlated with clinical data, including visual acuity and disease duration.
Main Results:
- Disappearance of oscillatory potentials was an early indicator in FERG.
- Subnormal FERG and delayed P100 peak latency in PVECP were observed in patients with reduced visual acuity and chronic disease.
- PVECP amplitudes were significantly diminished in affected patients.
Conclusions:
- FERG and PVECP are valuable tools for monitoring posterior segment inflammation and damage in Behçet's disease.
- These electrophysiological tests can aid in predicting visual prognosis for patients with Behçet's disease and uveitis.