Healthy Clinical Trial
Official title:
Fundus Image-guided Focal Electroretinography, Usability Study
The purpose of this study is to investigate the usability of fundus image-guided focal electroretinography device with healthy subjects and with macular edema and macular degeneration patients.
In this study, we will study the usability of focal electroretinography device combined with slit lamp biomicroscope. The device allows simultaneous fundus imaging and focal ERG recording from the desired retinal area. In phase I, the usability of the investigational device is tested with 10 healthy volunteers. The examinations include focal ERG and noise tests with commercial ERG electrodes. The stimulus lights are guided to the fundus using either non-contact of contact fundus lens. One electrode is selected for phase II based on signal-to-noise ration, usability, and comfort. In phase II, fundus image-guided focal ERG recordings are conducted with total of 10 patients having either macular edema or macular degeneration. The aim of the phase II is to test whether the investigational device can be used to record focal ERG signal from the desired symptomatic retinal area. ;
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