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5 reasons why your sunglasses are making you weak!
The sun comes out and the first thing most people think about is where they put their sunglasses over the winter. Clearly, I really need my sunglasses!
Well, there are different reasons why we want to wear sunglasses. Most people see glasses as a fashion accessory. But many also have Problems with the intensity of the sunwhich is perfectly justified in extreme situations such as on a glacier in the snow or on a sailing trip. And then there is a fringe group who wear their sunglasses for medical reasons.
There are several stories, e.g. from Dr. John Ott, Dr. Albert Schweizer or Fritz Hollwich, who have noticed that health complaints have arisen in connection with sunglasses, but also normal glasses in their practices. Dr. John Ott's book on this subject is highly recommended (Health and Light, ISBN: 0898040981).
You can also find more about this story in our YouTube video.
Why are sunglasses bad for you?
Were you born with sunglasses? No.
It was only the modern Western world that started to market sunglasses as an accessory and make them trendy. However, nature actually intended for natural light to shine into our eyes. This regulates physiological processes that influence all our physical functions. (1)
You may have heard of the circadian rhythm. This is our internal clock and natural light is particularly important in the morning to synchronize our body with the day. Only then can a healthy regulation between cortisol and melatonin take place in your body.
- If you listen to scientists like Dr. Andrew Hubermann and Dr. Alexander Wunsch, it is essential to see natural light in the morning. As soon as you have glasses, sunglasses, contact lenses or a window in between, it is no longer natural and automatically becomes "artificial light". This ensures that important wavelengths such as UVA light and infrared light are filtered out. In addition, the illuminance (measured in lux) is reduced. We humans need more than 10,000 lux for several minutes in the morning to set our internal clock correctly. If you immediately put on glasses or sunglasses, your body may not get the right stimulus. There are some interesting studies that clearly show that people who were exposed exclusively to artificial light during the day produce less melatonin at night and thus the quality of sleep suffers. (2) (3)
- When natural light hits your eyes, it has many positive effects. Dopamine is formed in the eye (4) or aromatic amino acids such as tryptophan absorb the UV light (5), which in turn regulates health processes. UV light also influences the pituitary gland, where the hormone MSH (melanocyte-stimulating hormone) is produced (6). This hormone ensures that the pigment melanin is produced in the body to protect you from sunburn, for example. Sunglasses can disrupt all these natural processes.
- Next factor: you block infrared light. This light is important for your entire eye and especially for the retina. Cells such as the retinal pigment epithelium rely on this light to produce enough melatonin during the day to cope with oxidative stress in the eye. You read correctly, melatonin is also produced by our mitochondria during the day. (7) Further positive effects of infrared light, such as the influence on ATP production or the fourth phase of water, can be found in our blog articles. The whole concept of photobiomodulation (red light) has a very special significance here.
- Wearing sunglasses irritates the human body and makes us more susceptible to mood swings. Some experts even talk about an increased risk of depression. (8)
- Do your sunglasses none real UV protection, this can lead to further problems. Your pupils adapt to the filtered light, suggesting to your eye that it is evening and your pupils dilate. This means that more UV light hits the retina than usual. The same applies after sunset, your eyes are not used to seeing intense blue light at night. This can have negative effects on you and your well-being. This is why we offer our Blueblocker glasses. These absorb 100% of the artificial blue light and prevent it from reaching your retina in the first place.
How do you get your eyes used to natural sunlight again?
- Listen to your body! At the height of summer, don't look directly at the sun at midday or work in direct sunlight during this time.
- In spring, start going out more often and enjoying the sun without glasses. If you can, watch the sunrise. The infrared light from the morning and evening sun has a positive effect on your eyes.
- Your body and your eyes are adapted to seasonal rhythms. If you are on vacation in the south, for example, give yourself and your eyes time to get used to the new conditions and don't go out into the blazing sun as soon as you arrive. This will do you more harm than good.
- If there is a medical reason or an extreme situation, such as skiing in the mountains, wear high-quality sunglasses. Otherwise, try to do without them as often as possible. From our point of view, this will promote your well-being and improve your sleep.
One of our main concerns with Lichtblock is to show you ways to live wisely in our modern world. Of course you can wear your sunglasses, just always be aware that it is unnatural and was not intended by nature. Whenever we move away from the natural lifestyle, we may face consequences sooner or later.
Cat: @twenty20photos via Envato Elements
Sources:
- (1) Benefits of Sunlight: A Bright Spot for Human Health ncbi.nlm.nih.gov
- (2) Twenty-four-hour patterns of pineal melatonin and pituitary and plasma prolactin in male rats under 'natural' and artificial lighting conditions pubmed.ncbi.nlm.nih.gov
- (3) Low illumination experienced by San Diego adults: association with atypical depressive symptoms pubmed.ncbi.nlm.nih.gov
- (4) Sunshine-exposure variation of human striatal dopamine D(2)/D(3) receptor availability in healthy volunteers pubmed.ncbi.nlm.nih.gov
- (5) How UV Light Touches the Brain and Endocrine System Through Skin, and Why ncbi.nlm.nih.gov
- (6) Melanocyte-stimulating hormone yourhormones.info
- (7) Melatonin's neuroprotective role in mitochondria and its potential as a biomarker in aging, cognition and psychiatric disorders nature.com
- (8) Sunglasses May Play a Role in Depression bibliomed.org
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