The detection of hidden visual loss in optic neuropathy: VISTECH test at variable illuminations.
The sensitivity of the VISTECH chart in the detection of hidden visual loss is debated. We tried to evaluate the diagnostic value of the test by using different illumination levels. Twelve MS-patients with normal acuity but a pathological VEP were examined at 9 different illuminations. We did not identify more abnormalities among patients, using VISTECH test at other illumination levels than the one recommended by the manufacturer.
Leys
M J
MJ
Department of Ophthalmology, University Hospital Gent, Belgium.
Candaele
C M
CM
Uvijls
A G
AG
Heintz
B F
BF
De Rouck
A F
AF
Odom
J V
JV
D000328:Adult; D005074:Evoked Potentials, Visual; D005260:Female; D006801:Humans; D008029:Lighting; D008297:Male; D009103:Multiple Sclerosis / Q000150:complications / Q000503:physiopathology; D009901:Optic Nerve Diseases / Q000150:complications*; D012680:Sensitivity and Specificity; D014786:Vision Disorders / Q000175:diagnosis* / Q000209:etiology; D014787:Vision Tests; D014792:Visual Acuity