According to a new study, supplementing with Lutein may help protect the eyes against the damaging effects of exposure to long term computer display lighting.
37 healthy individuals between the ages of 22 and 30 who are exposed to computer display lighting for long periods of time participated in this study. Study participants were randomly assigned to one of three groups: Control group (received a maltodextrin placebo), Lutein Group 1 (received 6 mg of Lutein daily), Lutein Group 2 (received 12 mg of Lutein daily). The study lasted 12 Weeks.
Researchers found blood levels of Lutein increased in both the Lutein groups; Group 1 (from .36 to .61 micromoles per liter) and Group 2 (from .33 to .73 micromoles per liter). There was no differences seen in uncorrected visual acuity and best spectacle corrected visual acuity in the placebo group or in the Lutein Group 1, however researchers did notice a trend toward improved visual acuity in participants in the Lutein Group 2. Additionally both Lutein groups did show improvements in measures of contrast sensitivity which was shown to be statistically significant in the Lutein Group 2.
Lutein is a phytonutrient found in many foods including egg yolks and green leafy vegetables. Lutein has a history in the supplement industry for supporting the reduction in the risk of developing Age Related Macular Degeneration (ADM).
Further larger studies are planned.
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