Bilberry is suppoosed to be the best supplement for vision. Blueberry extract helps as well. I have used both of these supplements to advantage as I am a high myope and with my Neuropathy in the past had left eye problems. Tearing, blurriness, greying. I have tested the supplements during an attack and both brought what felt like the eye muscles under control. I currently take Pomegranate Extract which has kept problems in this area at bay for the last year.