ROLE OF MULTIFOCAL ERG IN DETECTING EARLY HCQ TOXICITY

Dr M. Sri Rama Chandra Murthy, Dr P. Syam Sundar, Dr Vishnu Deepthi Narayanam

Abstract


INTRODUCTION:
The electroretinogram (ERG) is a recording of the bioelectric
potential, which is the summed activity of the retinal cells
located at the back of the eye, when stimulated by light. When
bioelectrical changes occur within the retina, the change is
propagated to the surface of the cornea. These small (and
often very fast) signals can be captured by an electrode
placed on the surface of the cornea


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