Millions of people all over the world suffer from partial blindness – caused by glaucoma, a stroke or traumatic brain injury. For years, the loss of vision was deemed irreversible. But now a new treatment makes it possible to improve eyesight and vision.
At MEDICA.de, Prof. Bernhard Sabel explains the connection between electrical stimulation and vision and their impact on people affected by partial blindness.
Professor Sabel, before we address the subject of "being unable to see", we first need to know how "normal vision" works. Could you briefly explain this?
Prof. Bernhard Sabel: Vision begins with the eye where light is transduced by the retina into neural impulses. The optic nerve then carries the impulses to the brain. The brain interprets and analyzes these impulses. The eye is a "microphone" as it were, while the brain is the "amplifier". This means the brain plays a key role in vision. There are many diseases that can affect this nervous system and that cannot be improved by prescribing glasses as is the case in problems with the lens. ...
Read the complete interview at MEDICA-tradefair.com!