![]() Too much exposure to blue light is bad, but that doesn’t mean that we should avoid it at all costs.īlue light is essential for the circadian rhythm, which is the natural cycle of sleeping and waking up. Blue Light Can Also Be Essential to the Body This can result to changes similar to macular degeneration, which can lead to vision loss. Increased Risk for Macular DegenerationĪs mentioned, blue light can penetrate through the eyes, which can result to damage in the cells found in the retina. Digital eye strain is common and usually temporary, but when left unaddressed, it may cause chronic problems in the long run. It is usually signaled by blurry vision after a long time of working on the computer or any screened device. Just the same, adults are also more prone to excessive blue light exposure because they use computers and other digital devices, whether at work or at play.īelow are some of the negative impact blue light can give to the eyes: Digital Eye Strainĭigital eye strain happens when your blink rate drops because of long periods of time spent looking at computer screens. Much of schoolwork are done on computers and they are more exposed to digital devices during leisure time. Today, children are exposed to blue light and more susceptible to its harmful effects. But with the advent of digital devices, people’s exposure to blue light increased considerably. However, most of people’s lifestyles involve using these devices for prolonged periods in close proximity to the eyes, which can be harmful to eye health and vision.īack in the day, when our society was not yet filled with technology, blue light wasn’t so much of a problem because people were only exposed to it when the sun was up. Unlike UV rays, blue light is not easily filtered by the eyes and can penetrate the back areas of the eyes, which include the retina.īlue light coming from digital devices is lower compared to what the sun emits. It comes from the sun and digital devices like computer screens, tablets, smartphones, and other digital devices. As a result, the brand rolled out an iOS update that would lessen the impact of blue light to their users and wean them gradually to bedtime and hopefully, into a better quality of sleep.Īside from quality sleep and reducing the impact of blue light to the body’s circadian rhythms, the Night Shift feature can also lessen digital eye strain and help limit the amount of blue light that goes through the eye.īlue light has the highest energy wavelength of visible light. “Many studies have shown that exposure to bright blue light in the evening can affect your circadian rhythms and make it harder to fall asleep,” Apple said. ![]() It uses the device’s clock and geolocation to determine if the sun is setting in your area, which signals the right moment to shift the screen color into a tint that’s from a warmer end of the spectrum. Apple released a new update on their OS last month, which includes Night Shift-a feature that automatically changes the color of the screen into a warmer shade.
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