An instrument to investigate temporal processing mechanisms with the multifocal ERG |
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| Authors: | D C Smith D Keating S Parks AL Evans |
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| Institution: | 1. Department of Clinical Physics, Southern General Hospital, Glasgow G51 4TF;2. Tennent Institute of Ophthalmology, Gartnavel General Hospital, Glasgow G12 0YN |
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| Abstract: | The multifocal ERG technique is a powerful method of studying the function of different areas of the retina. Display systems such as the CRT, which are commonly used for stimulation, are subject to limitations such as those imposed by the raster method of scanning. This work describes a novel stimulating display using LEDs that retains the established hexagonal areas but overcomes some of the limitations of the CRT display systems. The design and construction of the instrument is described together with some preliminary results. |
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