Multifocal visual evoked potentials in amblyopia due to anisometropia.
OBJECTIVE
To investigate multifocal visual evoked potentials (mfVEP) of the amblyopic and fellow eye in amblyopia due to anisometropia.


METHODS
We recorded mfVEP in both eyes of 15 anisometropic amblyopic patients and 15 normal control subjects. The responses from the central 7.0 degrees arc of the visual field were measured, and changes in latency and amplitude were compared between the amblyopic, fellow, and normal control eyes.


RESULTS
There was a significant difference in the latency and amplitude of mfVEP between the amblyopic and fellow eyes. The responses in the central region of the visual field (rings 1 and 2) had a longer latency and smaller amplitude in the amblyopic eye. In contrast, there was no difference in mfVEP latency or amplitude between the fellow eye and normal control eyes.


CONCLUSIONS
These results suggest that mfVEP may be used as an alternative objective method for diagnosis and monitoring of anisometropic amblyopia.
Moschos
M M
MM
Department of Ophthalmology, University of Athens, Greece. mosxosmix@ath.forthnet.gr
Margetis
I
I
Tsapakis
S
S
Panagakis
G
G
Chatzistephanou
I K
IK
Iliakis
E
E