Addition of lutein, zeaxanthin and omega-3 fatty acids to nutritional supplements aimed at preventing eye disease has shown no benefit in preventing sight loss progression.
The Age-Related Eye Disease Study 2 (AREDS 2) reported the findings at last weekend's Association for Research in Vision and Ophthalmology conference in Seattle, USA.
AREDS 2 was designed to test whether adding lutein plus zeaxanthin, DHA plus EPA, or lutein plus zeaxanthin and DHA plus EPA to the AREDS formulation might further reduce the risk of progression to advanced AMD.
The study reported that there was no statistically significant overall effect on progression to advanced AMD or changes in visual acuity with the supplementation.
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