How to assess if photoreceptors are functioning properly – Breakthrough technique for diagnosing eye diseases

  Can non-functioning photoreceptors be detected like dead pixels on a camera sensor? Until now this has not been possible, but a new technique will allow fast and non-invasive assessment of the physiological state of the retina. This could be a real breakthrough in the treatment of eye diseases.   For a long time, electroretinography (ERG) was the only advanced method to assess the