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The "Willner Window" Radio Show. Your source of nutritional supplement information and interviews, weekly, for 18 years. Listen to archived mp3 audio files.

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Probiotic Preserved Vision, Reduced Eye Fatigue

Blue light emitting from visual display terminals (VDTs), such as computer monitors, can fatigue the eye, and damage retinal pigment cells responsible for absorbing light.

In part one of this two-part study, doctors in the lab were able to extend the lifespan of light-absorbing retinal pigment cells that had been damaged by blue light from VDTs by treating them with the probiotic lactobacillus paracasei.

In part two of the study, 62 healthy men and women, aged 35 to 45, complaining of eye fatigue from VDTs, took a placebo or lactobacillus paracasei. After four weeks, compared to placebo, those taking lactobacillus paracasei exhibited less eye fatigue from exposure to VDTs.

Doctors determined eye fatigue by measuring the point at which participants detected the intermittent pulsing, or flicker, of the image on a VDT. Participants taking probiotics detected the flicker at a faster frequency, while those in the placebo group could not until the frequency was very slow, indicating brain and eye fatigue.

(Reference: Nutrients; 2018, Vol. 10, No. 8, nu10081058; Published Online)

Product Recommendations by Arnie Gitomer
Lactobacillus paracasei is not available as a product, but it is in the same family as lactobacillus rhamnosus which is available as Culturelle.

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