There is no preventive treatment as such, but there are recommendations that can delay the development of the disease or slow its progression:

Eat healthy and including dark green leafy vegetables (such as spinach) fish, as a source of omega-3 fatty acids, and antioxidant vitamins A, C and E, lutein and zeaxanthin and minerals such as copper, zinc, magnesium, manganese. Limiting the intake of saturated fats. The use of supplements with antioxidant vitamins and zinc can contribute to reduce this risk.
Stop smoking and avoid alcohol intake.
Protect your eyes with sunglasses to block the harmful effects of ultraviolet (UV) rays.

After the age of 60, it is especially important to visit the ophthalmologist regularly, especially if there is a family history of the disease. Vision tests are essential in the elderly. Vision in both eyes should be checked periodically, with tests as simple as covering one eye and then the other and checking the differences when looking at a distant object, or checking with an Amsler grid.

Preventing the progression of maculopathy, to age-related macular degeneration consists of taking measures to prevent choroidal neovascularization (the growth of new blood vessels in the center of the macula). The only effective preventive measure is smoking cessation, as the use of antioxidants such as beta-carotene, vitamin C, tocopherol or zinc has not been shown to have a preventive effect. Once maculopathy is established, the efficacy of antioxidant zinc supplementation has not been demonstrated. It has been clinically observed that laser photocoagulation of drusen (yellow deposits under the retina) leads to their disappearance and the retina regains an almost normal appearance. Unfortunately, despite several clinical studies that vary the protocol slightly, the disappearance of drusen does not reduce the risk of developing choroidal neovascularization.

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