"Eidon" is a recognized brand in the field of retinal imaging. It's known for its Eidon confocal scanner, which is a device used for high-resolution retinal imaging. This device has been approved by the Food and Drug Administration. It's the only wide-view system that combines confocal imaging with natural white-light illumination to provide a true-color image. This technology reveals greater detail of retinal pathologies and allows a clearer view of the optic nerve. The Eidon confocal scanner can operate in fully automated or manual modes, and it has a compact design. It's used by professionals in the field and has been positively reviewed for its performance and capabilities. Therefore, "Eidon" can be considered a legitimate and reputable brand in its industry. However, as with any product or service, it's always a good idea to do thorough research and consider multiple sources of information before making a decision.