Nutrition and visual diseases

Author(s): Damaris Hodelin-Fuentes

Abstract

Nutrition has influence in vision. Important nutrients, such as vitamins A, C, D and E, lutein and zeaxanthin have essential function on visual health. The objective of this study is to demonstrate the nutrition´s influence in the beginning or prevention of visual diseases like dry eye syndrome, cataracts and age-related macular degeneration. A search was made in PubMed, Infomed, EBSCO, HINARI, Scielo; using as key words: nutrition, visual diseases, vitamin. Were used 32 articles in Spanish and English languages. The 60% corresponds to the last five years. Trials have reported a prevalence of dry eye syndrome twice higher in females than in males; it´s related with vitamin D deficiency. Trials with vitamin D and omega-3 supplements have shown relief of the illness. Cataract, the principal cause of reversible blindness on the world, it´s related with vitamin C and E deficiency. Vitamin A, lutein and zeaxanthin have influence in age-related macular degeneration. As conclusions, this study gives information about the actual stated of nutrition and its relationship with the beginning or prevention of some visual diseases.

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