Melatonin and Melanin production

Melatonin and Melanin production?

Rhodopsin is a visual pigment found in the rod photoreceptor cells of the retina. It converts photons into chemical signals that produce biological processes through the nervous systems of humans and other mammals.

Research has shown that when they added retinal, a co-factor of opsin receptors including rhodopsin, they found that rhodopsin unleashed calcium ion signals that stimulate melanin production. Melanocyte skin cells detect UV light using photosensitive receptors in the eye. Melanin production begins within hours and prevents Cellular DNA damage. The researchers found that long-wavelength UVA light, rather than short-wavelength UVB light, stimulates rhodopsin in melanocytes. UVB produces vitamin D by interacting with cholesterol in the skin.

Poor sleep quality can cause your blood circulation to work less efficiently. Decreased oxygenation in the blood makes your skin have uneven pigmentation, blotchiness, and grayishness. Melatonin causes pigment granules aggregation, and thus, the skin’s lightening through binding with specific receptors on skin melanophores.

Glasses and Sun Protection?

Approximately 1,500 light wavelengths contribute to the health of your eyes and entire body—for example, healthy hormonal secretions, sleep and immune system. The retinas in our eye, skin, liver and kidneys play a role in vitamin D absorption. People will develop SAD (Seasonal Affective Disorder) if they wear sunglasses excessively during the warmer months.

Therefore, people with or without sight who wear UV-blocking sunglasses outside on a sunny day are tricking their minds into thinking it is night. As a result, it does not produce (enough) melanin to protect your skin and other things mentioned above! The exposed skin is more likely to burn because of this.

Side effects of being Visually Impaired

Blind people can wear non-prescription sunglasses to protect their retina from ultraviolet light and physical debris, but others may need eyewear that filters out specific light colours.

A side effect of being blind is their inability to set their body clock for sleeping. The circadian rhythm sets our internal body clock. The pineal gland runs our brain’s background and makes us feel sleepy and alert at different times throughout 24 hours. The 18 percent of the visually impaired can’t perceive light at all.

Approximately 82% of blind people can see minimal light. They wear sunglasses to protect their eyes from a constant minimal light, which disrupts their circadian rhythms. They need medication to manage their sleeping.

What other UV-protecting products do we need to worry about?

Transitional lenses that change from clear to dark block the same amount of UV light as dark sunglasses. Clear prescription glasses and contact lenses also block UV light. Our cars have tinted glass that blocks UV light. People have UV protection on their house windows to control temperature and prevent fading. Dark-tinted sunglasses that do not have UV protection mix up the body because as the pupils enlarge due to the dark light, they let more UV light in while at the same time making the body think it is night.

What type of glasses can I purchase to avoid UV protection?

CR39 is a non-UV blocking type pair of glasses. It has no UV coat.

Side effects of Taking too much melatonin supplement:

The melatonin in supplements differs from the melatonin from the sun. There is no study on getting too much melatonin from wearing U.V.-coated glasses and sunglasses in the sun. Studies show that taking too much supplemental melatonin exhibits side effects. It makes you wonder if the U.V.-coated Glasses are causing some of the following issues.

Drowsiness

Headache.

Stomach ache.

Vomiting.

Dizziness.

Irritable or restless feeling

Hyperthermia

Dry mouth.

Dry or itchy skin.

High or Low blood pressure

What's better Synthetic or Natural Melatonin?

Melatonin is a naturally produced hormone in plants, animals, and humans.

It may pose a risk to humans because of the danger of contamination with animal viruses. Chemically synthetic over-the-counter melatonin is similar to naturally made melatonin. Synthetic melatonin is safer because it's biologically contaminated-free.

Sun Tanning Beds Effect on Tanning

UVA-rich lamps penetrating deeper into the skin’s layers are now frequently used to promote tanning in the indoor tanning industry. They mislead the public to think it reduces DNA damage and increases protection against subsequent UV exposure. Since Vitamin D prevents skin Cancer, Sun Tanning beds are mostly UVA. UVB produces vitamin D by interacting with cholesterol in the skin. Suntanning beds increase skin cancers in subjects who frequent tanning parlours. There are many types of sun tanning beds. High-pressure, medium-pressure and low-pressure tanning beds are available and provide different results. Some companies are providing hybrid tanning beds that combine UVA with Red light—misleading the public to think that they are safer. Add the fact that you also need to wear sunglasses when you enter these facilities and the susceptibility to sunburn increases.

Sunscreen is one of many things to consider when considering sun protection. A broad-brim hat or baseball cap can be an option. Limit the use of sunglasses and prescription clear glasses when outside. Ensures that the eyes get some sunlight during the day.

The links below recommend foods that help the body produce melanin and natural SPF skincare protection.

Here are some other related articles you may enjoy learning from:

https://www.estheticsbyida.com/post/foods-for-better-sleep

https://www.estheticsbyida.com/pros-and-cons-of-corn

https://www.estheticsbyida.com/vitamin-D-uses-and-metabolism

https://www.estheticsbyida.com/post/how-to-protect-your-skin-from-the-sun

References:

https://www.parkerslegacy.com/is-there-glasses-for-the-blind/

https://www.visionaustralia.org/news/2020-08-11/sleeping-tips-people-who-are-blind

https://doctorschoice.ca/2023/05/10/quality-always-matters/