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La Recensione Umile- Anti blue light eyeglasses review
February 14, 2019
Top 3 Retro Steampunk Polarized Sunglasses That You Can Buy Now
January 20, 2019
Le lenti che salveranno i vostri occhi esistono eccome
January 18, 2019
@Matt: After playing ps4 for over 3hrs I start getting headache and eyes start to burn, but with these playing at 4hr still haven't gotten headaches or burning red eyes. I had to order a bigger pair and give these to my wife, and she loves them.
@わんいいなさい: デザインがとても可愛いくて気に入ってます。一日中PCとスマホを使用するので眼精疲労がひどかったのですが、これをかけると疲れにくいです。軽くて長時間かけても耳が痛くなることもありませんでした.@Andrea Guastaferro: In quanto passo molte ore al pc ho deciso di fare un regalo alla mia vista e prendere questi occhiali. Gli effetti si notano subito: occhi molto meno affaticati a parità di tempo speso davanti lo schermo e se abbinato ad un a pausa ogni ora di utilizzo si risparmia pure sull'oculista ;)@Jérémy F: Livraison ultra rapide , et lunettes exactement comme sur la photo , avec la lingette et la jolie pochette , après une journée d'utilisation sur l'ordinateur , pas de mal de tête . @Voßschulte: Die Computer Brille passt perfekt zu meinem Gesicht und sitzt perfekt weil sie nicht rutscht und bequem ist. Festes Brillenetui das die Brille sicher schütz. Weiter zu empfehlen.@Mariola M: Llevo ya un tiempo usándolas y desde luego noto una gran diferencia a la hora de reducir el nerviosismo y dormir mejor. ¡Recomendable!
Posted on Sep 15, 2018 by Alice Zhang
Blue light is a color in the visible light spectrum visible to human eyes. Blue light is a short wavelength, which means it produces more energy.
Light consists of electromagnetic particles that travel in waves. These waves emit energy and range in length and strength. The shorter the wavelength; the higher the energy. Every wavelength is represented by a different color and is grouped into the following categories: gamma rays, x-rays, ultraviolet (UV) rays, visible light, infrared light, and radio waves. Together these wavelengths form the electromagnetic spectrum.
However, the human eye is only sensitive to a portion of this spectrum: visible light. Visible light is that part of the electromagnetic spectrum that is seen as colors: red, orange, yellow, green, blue, indigo and violet light. When combined, it becomes the white light we see. Rays at the red end have a longer wavelength and less energy. On the other hand, the blue light has a shorter wavelength, affecting melatonin levels greater than any other wavelength. Studies have shown that exposure to blue light can cause eyestrain, fatigue, headaches, and insomnia. They suggest that exposure to the blue end of the light spectrum could cause serious long-term damage to the eyes over time.
Blue light is everywhere in our world. The largest source of blue light is sunlight. In addition, there are many other sources:
The long-term effects of screen exposure are worrisome because of the close proximity of the screens and the length of time spent looking at them. According to a recent NEI-funded study, children’s eyes absorb more blue light than adults on digital device screens.
Related link: http://www.ncbi.nlm.nih.gov/pubmed/21600300?report=abstract
Almost all visible blue light passes through the cornea and lens and reaches the retina. As one of the shortest but highest energy wavelengths in the light spectrum, the blue light flickers easier and longer than other types of weaker wavelengths. This flickering casts a glare that reduces your visual contrast and affects clarity and sharpness.
parts of the eye
This light can affect vision and can cause premature eye aging. Early studies have shown that excessive blue light exposure could lead to:
Digital eyestrain: Blue light from computer screens and digital devices can reduce contrast and cause digital eye strain. Fatigue, dry eyes, bad lighting, or how you sit in front of the computer can cause eye strain. Symptoms of eye fatigue include sore eyes or eye irritation and difficulty in focusing.
Sleeplessness: Blue light can help elevate your mood and boost awareness, but chronic exposure to blue light at night can lower the production of melatonin, the hormone that regulates sleep, and disrupt your circadian rhythm.
Retina damage: Studies suggest that continued exposure to blue light over time may result in damage to retinal cells. This can lead to vision problems like age-related macular degeneration.
Our eyes have not evolved to provide filters against this type of artificial light. Exposure to blue light for prolonged periods may lead to macular cellular damage, which may lead to loss of vision.
The medical profession is concerned with the level of blue light exposure in adults and children. Here are some interesting statistics:
If constant exposure to blue light from smartphones, tablets, and computer screens is an issue, there are several ways to reduce Blue light exposure:
Screen time: Minimize the time spent in front of these screens and/or take frequent breaks to rest your eyes.
Filters: Screen filters are available for smart phones, tablets, and computer screens. They reduce the amount of blue light emitted by these devices that could reach the retina of our eyes.
Computer glasses: Blue light blocking computer glasses can help alleviate computer digital eye fatigue by increasing contrast.
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