Abstract
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 b-wave. Furthermore, the photopic responses are clearly delayed when the detachment extends over more than half of the retina, giving a typical, even pathognomonic, wave form 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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Van Lith, G.H.M., Van Der Torren, K. & Vijfvinkel-Bruinenga, S. ERG and VECPs in retinal detachments. Doc Ophthalmol 50, 291–297 (1981). https://doi.org/10.1007/BF00158012
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DOI: https://doi.org/10.1007/BF00158012