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OBJECTIVES: To determine the extent of functional changes in the first-order kernel multifocal electroretinogram (mfERG) responses in patients with large drusen by means of a localized analysis and to determine correlations between mfERG responses and morphologic changes. METHODS: Thirty-one eyes of 20 patients aged 58-4 years with large drusen (≥5 drusen Dr. C. Gerth, Department of Ophthalmology and Section of Neurobiology, Physiology, and Behavior, University of California, Davis, CA, USA. chgerth@web.de 6.7 Electro-ophthalmodiagnosis (Part of: 6 Clinical examination methods)Classification:
10 Differential diagnosis e.g. anterior and posterior ischemic optic neuropathy