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Association of blood antioxidants and vitamins with risk of age-related cataract: a meta-analysis of observational studies.

Increased consumption of foods with plenty of vitamin E, lutein, alpha-carotene, and zeaxanthin may contribute positively to the prevention of age-related cataract.

This study was carried out to determine the relationship between blood levels of antioxidants and the odds of developing age-related cataract. Researchers reviewed nutritional and clinical data extracted from 13 studies that examined 18,999 subjects.

The team of researchers observed that a reduction in the risk of developing age-related cataract was associated with subjects who consistently consumed diets rich in foods containing vitamin E, alpha-carotene, lutein, and zeaxanthin. Conversely, increased intake of foods high in lycopene, beta-carotene, and beta-cryptoxanthin was found to have no significant effect on cataract risk in this study. The findings of this meta-analysis indicate that frequent consumers of foods packed with vitamin E, lutein, zeaxanthin, and alpha-carotene are less likely to have age-related cataract.

Research Summary Information

  • 2013
  • Cui YH, Jing CX, Pan HW.
  • From the Department of Histology and Embryology, School of Basic Sciences, Guangzhou Medical University, Guangzhou, China (Y-HC), and the Departments of Ophthalmology (H-WP) and Epidemiology (C-XJ), School of Medicine, and the Department of Ophthalmology, the First Affiliated Hospital (H-WP), and the Key Laboratory for Regenerative Medicine of Ministry of Education (H-WP), Jinan University, Guangzhou, China.
  • Yes, Free full text of study was found:
  • No. Source of funding disclosure not found
  • No. Potential conflicts disclosure not found
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