Posted by John Concrane on April 12, 2020 in Shopping
What is the damage of the blue light? Then use the same method to pry the other three corners of the screen protector, and use a little more force when smashing, so that the four sides of the screen protector can be pulled up. After the four corners are picked up, grab the lower corner and pull up. Then the whole screen protector will start to loosen, and then pull up the four corners until it is removed. Congratulation: the task of removing the old screen protector is now completed. At this point, the screen protector will automatically stick to the screen and slowly expand to the surrounding area. Take out the squeeze card, press the edge from the top to the bottom, and drive the bubbles away.
Generally, scientists say the visible light spectrum comprises electromagnetic radiation with wavelengths ranging from 380 nanometers (nm) on the blue end of the spectrum to about 700 nm on the red end. (By the way, a nanometer is one billionth of a meter — that’s 0.000000001 meter!) Blue light generally is defined as visible light ranging from 380 to 500 nm. Blue light sometimes is further broken down into blue-violet light (roughly 380 to 450 nm) and blue-turquoise light (roughly 450 to 500 nm).
What are blue light blocking glasses? It is a particular type of glass fitted with filters in the lenses to absorb or block blue light and, in some instances, other detrimental lights from getting through to the user’s eyes. Therefore, the use of these glasses against screens can help reduce exposure to a wave of lights that can keep you awake, especially at night. Exposure to harmful blue light does not mean the end of life. It is presumed that blue light blocking glasses are useful in filtering the blue light, thus restore healthy life to individuals affected. Wearing blue light blocking glasses means healthy sleep, thus reducing the chances of other risks. Discover even more info at https://www.perfectsight.co/eye-care/the-importance-of-blue-light-filter-glasses.html.
Artificial blue light, the kind associated with LED and screen-based OLED illumination, operates on a different level of the spectrum, in the 380–500 nanometer range. The 415–455 nanometer range is the most harmful — what’s called high-energy visible light, or HEV — and it’s where digital blue light from laptops, tablets and mobile phones operate. Sunglasses are designed to block light in this range — as are welding helmets! But the tech industry has been slow to adjust. “Apple for sure doesn’t build to that standard,” Bill pointed out.
Dry eye can result in a series of problems with your eyes apart from making your eyes irritated or itchy. Although dry eyes can be linked to your age, you can take measures to prevent it, like using eye drops or turning on the humidifier in your home or office to relieve the condition. If it persists, you can contact your optometrist for advice or treatment. You may have to stop diuretic medicine. If you walk in the sun often or the nature of your work requires spending a few hours in the sun, protect your eyes by wearing sunglasses to protect your eyes from the ultraviolet rays that come from the sun. The ultraviolet rays can damage your eyes. Why endangering your eyes when you can get a good pair of sunglasses for a few bucks?
Blue light exposure may increase the risk of macular degeneration. The fact that blue light penetrates all the way to the retina (the inner lining of the back of the eye) is important, because laboratory studies have shown that too much exposure to blue light can damage light-sensitive cells in the retina. This causes changes that resemble those of macular degeneration, which can lead to permanent vision loss. Although more research is needed to determine how much natural and man-made blue light is “too much blue light” for the retina, many eye care providers are concerned that the added blue light exposure from computer screens, smartphones and other digital devices might increase a person’s risk of macular degeneration later in life. Explore extra details on this website.