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ERG and VECPs in retinal detachments

✍ Scribed by G. H. M. Lith; K. Torren; S. Vijfvinkel-Bruinenga

Publisher
Springer-Verlag
Year
1981
Tongue
English
Weight
262 KB
Volume
50
Category
Article
ISSN
0012-4486

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✦ Synopsis

In retinal detachments the scotopic ERG is generally more disturbed than the photopic ERG; both are more disturbed than would be expected from the visibly detached retina. The disturbance is characterized by a reduction of both the a-wave and the bwave. Furthermore, the photopic responses are clearly delayed when the detachment extends over more than half of the retina, giving a typical, even pathognomonic, wave torm when the detachment covers more than three quarters of the retina. Even in total detachments, such a response, though very small, can usually be obtained, as well as a VECP after strong light flashes. Most likely they are responses of the detached retina.

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