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The nation is jolted by another mass shooting, this time at a Texas elementary school; a mixture of hope and stark realities on the 2nd anniversary of Floyd Murder; a new map shows more Americans live within oil & gas "Threat Radius."

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At least 19 children and two adults killed at Texas elementary school, President Biden delivers remarks on shooting from White House, lawmakers plead on gun control, NRA to hold conference in Houston this week, Stacey Abrams and Gov. Brian Kemp favored to win Georgia primary.

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From off-Broadway to West Virginia: the stories of the deadly Upper Big Branch mine explosion, baby formula is on its way back to grocery shelves, and federal funds will combat consolidation in meatpacking.

Experts Warn of Health Dangers of Blue Light From Digital Devices

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Tuesday, January 18, 2022   

Statistics show thanks to the pandemic, Americans are now glued to their digital devices an average of 13 hours a day, up from 7 or 8 hours a day before COVID.

Exposure to blue light from screens is taking a toll on our eyes. Blue light is part of the UV spectrum and can damage your retina.

Helen Macias, an optician at Dynamic Eye Care in North Las Vegas, said they are seeing a lot more customers who complain of eye pain in the past year.

"Right now, we're experiencing a lot of children, teachers and others who are now conducting business online," Macias explained. "People are now experiencing the strain on the eyes, staring at the screen. It can lead to macular degeneration."

People with light-colored eyes or a family history of macular degeneration are at higher risk. Blue light is present in sunlight but the bulk of people's exposure comes through their cell phones, tablets, certain smart TVs and high-end video games.

Dr. Scott Edmonds, chief eye care officer for United HealthCare, recommended people follow the 20-20-20 rule: For every 20 minutes of screen time, take 20 seconds to stare at something in the distance at least 20 feet away.

"That break takes you away from the blue light, lets your pupil go to its normal size, lets your muscles in your eye relax, lets your focusing muscle relax," Edmonds emphasized. "All that every 20 minutes will really help you be more comfortable with screen time."

People can purchase lenses for their eyeglasses or certain laptops to filter out blue light, and they can use the "night mode" feature on their cell phones to cut down on exposure.

Disclosure: United HealthCare contributes to our fund for reporting on Health Issues. If you would like to help support news in the public interest, click here.


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