King.Īccording to the American Academy of Ophthalmology, natural exposure to blue light (from sunlight) during the day can stimulate alertness, improve memory and elevate your mood. The majority of our exposure to blue light is caused by the sun, but it’s also emitted by devices like smartphones, tablets and televisions along with fluorescent and LED bulbs from indoor lighting, adds Dr. It accounts for 50 percent of the sunlight spectrum and is the only part of light that is visible to the naked eye. Hadley King, a board-certified dermatologist in New York City. High-energy visible (HEV) light or blue light is a high-frequency, short-wave light in the violet/blue band with wavelengths that range from 400 to 450 nanometers, explains Dr. Constant exposure to blue light emitted by TV screens, computers and other digital devices can also harm your skin and-just like UVA and UVB rays-may cause premature skin aging. But what many of us may not realize is that the more time we spend in front of our laptops and mobile phones, the more harm we may be doing to our skin.Īs it turns out, digital eye strain is not the only reason you should consider taking your screen time down a notch. Now more than ever, we spend a significant chunk of our day glued to our screens-whether it’s for work, leisure or socializing with friends. The past year has altered the way we go about our daily lives.
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