Visual evoked potentials in Basedow's ophthalmopathy before and after orbital decompression or retrobulbar irradiation.
VEP are an objective and a more sensitive sign of optical neuropathy in Graves' ophthalmopathy than is visual acuity. A correlation exists between VEP and the changes in the external eye muscles as visualized on CT scans. VEP should always be registered if CT changes are present. Improvement of optic neuropathy as evaluated from VEP seems to be remarkably infrequent.
Department of Ophthalmology, University of Helsinki, Finland.
K
K
Setälä
C
C
Raitta
M
M
Välimäki
K
K
Katevuo
B A
BA
Lamberg
D005074:Evoked Potentials, Visual; D006111:Graves Disease / Q000503:physiopathology* / Q000532:radiotherapy / Q000601:surgery; D006801:Humans; D009915:Orbit / Q000528:radiation effects / Q000601:surgery*; D014792:Visual Acuity