1. How to assess if photoreceptors are functioning properly: A new approach for diagnosing eye diseases

    How to assess if photoreceptors are functioning properly: A new approach for diagnosing eye diseases

    Researchers have long been trying to determine if non-functioning photoreceptors can be detected like dead pixels on a camera sensor, and until now this has not been possible. However, a new technique will allow fast and non-invasive assessment of the physiological state of the retina, a potential game-changer in the treatment of eye diseases. For years, electroretinography (ERG) was the only advanced method to assess the physiological state of retinal function. In recent years, a new technique called optoretinography (ORG) has been developed. In one variant of this technique, optical coherence tomography (OCT), the physiological response of the retinal photoreceptors ...

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