Conflict of Interests - none
Not really. In 2006 the FDA reported: "On the basis of this evidence-based review, the FDA concluded that no credible evidence exists for a health claim about the intake of lutein or zeaxanthin (or both) and the risk of age-related macular degeneration or cataracts." Subsequent trials have not added anything extra. Source: http://www.clinicalanswers.nhs.uk/index.cfm?question=5230