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  • Written By: Jennifer I. Lim, MD

    A recent study appearing in Retina evaluated the psychophysical and electrophysiologic responses in patients with early AMD – both with and without contralateral late AMD.
    It showed that eyes with early AMD and no visual impairment already had detectable mfERG and MP-1 abnormalities.  This suggests that there are preganglionic dysfunction in the retina, and it presents another link in our understanding of the sequence of retinal dysfunction in AMD.