Plus, tips to protect your eyes from potential damage.
, a board-certified ophthalmologist and oculoplastic and reconstructive surgeon in Austin, Texas, tells. "Each color is picked up by cells in the back of the eye that are specific to those colors based on their wavelengths."Of those three colors, blue light is the shortest wavelength, which means it has highest energy.
And more importantly, there's currently no evidence that your screen time is causing any eye damage, according the. Though, the long-term effects of blue light exposure haven't really been studied yet, adds Gupta. The zombie-like stare you develop when staring at your computer for hours can eventually cause your eyes to dry out, leading to that sandpaper feeling. On top of the blinking problem, staring at a screen also fatigues your eye muscles, explains Gupta. "Eye muscle fatigue leads to difficulty focusing, headaches, and blurred vision," she says."Digital eye strain does not cause long-term damage," says, a board-certified ophthalmologist in New York City.
The bottom line? "Currently, there is no evidence that digital eye strain leads to chronic eye damage," says Gupta. "At present, the major issues associated with digital eye strain, such as dry eye, difficulty focusing, and headaches, appear to be temporary, treatable, and preventable."While blue light and digital eye strain likely aren't doing any real damage, UV rays emitted by the sun definitely are damaging.
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