Made stronger, more effective; both supportive and therapeutic. This formula provides the necessary nutrients known to inhibit the leading causes of blindness in adults: macular degeneration, cataracts and glaucoma. In studies, lipoic acid has been shown to help prevent cataracts and diabetic neuropathy. The antioxidants quercetin, vitamin E and zinc protect the retinal pigment and photoreceptors, and the amino acid taurine has been added to protect against neurotoxins and support healthy intraocular pressure. This formula also provides healthy amounts of bilberry extract, ascorbic acid and ascorbyl palmitate to prevent damage to the lens and the retina from excessive light exposure, and ginkgo biloba extract to improve ocular circulation and eye structure. Vitamin B12 has been added to improve retinal function. Suggested use: Three capsules per day for preventive purposes and six capsules per day for therapeutic benefits.