Short Morning Exposure to Deep Red Light Improves Naturally Declining Eyesight Affecting Millions

Just three minutes of exposure to deep red light once a week, when delivered in the morning, can significantly improve declining eyesight, finds a pioneering new study by University College London (UCL) researchers. Published online on November 24, 2021 in Scientific Reports, the study builds on the team’s previous work published in 2020, which showed that daily three-minute exposure to longwave deep red light ‘switched on’ energy-producing mitochondria cells in the human retina, helping boost naturally declining vision. The current open-access article is titled “Weeklong Improved Colour Contrasts Sensitivity After Single 670 nm Exposures Associated with Enhanced Mitochondrial Function.”
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