The occipital lobe is the main area involved with vision. It processes the information coming from your eyes, so that you can understand what you see. When tumor in the occipital lobe, you could struggle to see objects or colours or lose your vision completely. Or, it may cause loss of vision on one side. ---------------------------------------------------------------------------------------------------------------------- For more information and online order of AC STIM: https://www.restorevisionherbs.com/product/ac-stim/ For more information and online order of StemActiv : https://www.restorevisionherbs.com/stemactiv/ For information about V20 Light, please check: https://www.restorevisionherbs.com/v20_light/ For more information about OCU-ION: https://www.restorevisionherbs.com/ocular-iontophoresis-ocu-ion/ Contact us for any question: info@restorevisionherbs.com