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A new study in the UK shows that deep red LED light significantly improves vision loss

A new study in the UK shows that deep red LED light significantly improves vision loss

  • 2020-07-23
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A new study in the UK shows that deep red LED light significantly improves vision loss

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  • 2020-07-23
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A new study led by University College London found that staring at dark red light for three minutes a day significantly improved vision loss. This is the first time the condition has been found in humans. The study is now published in the Journal of Gerontology.
Some 12 million elderly people in The UK could be up to 20 million within 50 years, all of whom are at risk of vision loss due to aging retinopathy, ScienceDaily reported. Lead author Glen Jeffery, professor at ucL's Eye Research Institute, said: "Vision begins to decline with age, especially after 40."

Photoreceptor cells in the retina begin to age around the age of 40. And because the retina's photoreceptor cells have the highest density of mitochondria, which require a lot of energy, the retina generally ages faster.
Based on their previous studies in mice, bees and fruit flies, the researchers found that retinal photoreceptor cells significantly improved when their eyes were exposed to deep red light at the wavelength of 670 nanometers. Jeffrey points out that the mitochondria can be affected by certain types of light, such as wavelengths between 650 nanometers and 1,000 nanometers, which can improve mitochondrial performance and increase energy production.
To test whether the results could be applied to humans, the researchers recruited 24 participants (12 men and 12 women) between the ages of 28 and 72 with no eye-related problems. Before the study began, the researchers tested the sensitivity of rods and vertebrae cells, or photoreceptors, on all participants.

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