According to a recent study a combination of Lutein, Zeaxanthin and Astaxanthin, all with their own record of improving some areas of eye health, increased eye-hand coordination after using visual display terminals (VDT).
Healthy males and females between the ages of 20 and 60 years of age who routinely played video games participated in this randomized, double-blind, placebo controlled study. Participants were assigned to receive either a supplement containing 10 mg of Lutein, 2 mg of Zeaxanthin and 6 mg of Astaxanthin or a rice placebo daily. The study lasted 8 weeks. Researchers evaluated macular pigment optical density (MPOD), smooth-pursuit eye movements, and eye-hand coordination at the onset of the study, at 2 weeks, 4 weeks and at the end of the 8 week study. Primary outcomes were accuracy rate and visual motion reaction time through smooth-pursuit eye movement and eye-hand coordination time.
The supplement group showed significant improvements in eye-hand coordination after VDT operation at the end of the study period when compared with the placebo group. No clear improvements on smooth-pursuit eye movements in either group. Additionally the supplement group showed significant increases in macular pigment optical density (MPOD) when compared with the placebo group.
One of the major findings of the study was that VDT operation does in fact temporarily impair eye-hand coordination as well as smooth pursuit eye movements and that these supplements do offer some means of offsetting this effect.
Additional studies are needed.
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