Vision RX20 End your smoking habit. Smoking not only impacts the lungs, but can also hurt your eyes. However, your vision can be impacted as well. Research shows there is link between cataracts, optic nerve damage, macular degeneration and smoking. These conditions can lead to vision loss.Eating the right nutrients can keep your eyes in good health. Zinc, omega-3 fatty acids, vitamin C, vitamin E, and Lutein are all good for eyes. They can prevent cataracts and macular degeneration. The latter is an irreversible eye problem.