Benefits of wearing red lens glasses?

Wearing red lens glasses has several benefits, particularly in managing light exposure and its effects on the body:

1. Reducing Blue Light Exposure: Red lens glasses help in reducing exposure to blue wavelengths of light which can be beneficial, especially in the evening. This reduction helps in not disturbing the natural production of melatonin, a sleep-inducing hormone, which can be suppressed by higher energy blue light. This makes red lens glasses beneficial for winding down towards bedtime 1.

2. Improving Sleep Quality: By dimming the overall lighting and shifting to red light in the evening, it can be easier to fall asleep. This is likely due to the reduced cortisol production associated with eliminating blue light exposure 2.

3. Shift Work Adaptation: Red light is beneficial for shift workers or anyone who needs to stay awake during unusual hours (like all-night studies or late-night work). If red light is sufficiently dim, it does not inhibit melatonin production significantly, nor does it increase cortisol at night, thus helping to adapt the circadian rhythm in a less disruptive way 3.

   • 

     1

     Evening Wind Down

     01:52:27
     
   • 

     2

     Sleep and Light

     00:16:50
     
   • 

     3

     Red Light Benefits

     02:05:23
     
   • 

     4

     Red Light Therapy

     01:13:29
     

4. Supporting Visual Health: Exposure to red light, particularly in the morning, has shown benefits in reducing age-related macular degeneration. This effect is attributed to enhancing the mitochondrial function in photoreceptors. However, care should be taken to ensure the light is not too bright 4.

These benefits make red lens glasses and red light exposure tools for managing light-induced physiological effects, especially in promoting better sleep and supporting eye health in specific scenarios.