| Annals of Ophthalmology ¹1 2009 Arakelyan M. A., Mansurina N. B., Shamshinova A. M.
Local and multifocal electroretinography in the diagnosis of diabetic
retinopathy
The paper gives the results of electroretinography (ERG) in 38 patients
(73 eyes) with type 2 diabetes mellitus at different stages of diabetic
retinopathy (including in diabetic macular edema). The reductions in the
macular ERG (M-ERG) amplitude parameters and in the retinal density of
bioelectrical activity and the decreased amplitude and longer latency of
multifocal ERG (mfERG) N1 and P1 components evidence the involvement of the
retinal macular region into the pathological process and the magnitude of
these changes depends on the presence of imaged macular edema. Despite the
certain limitations of mfERG, assessment of the topography of retinal
bioelectrical activity in the central field of vision is an important
supplement to M-ERG results and may be a prognostic criterion for the
development of a pathological process and its extent.
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