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Overland (314) 254-2211

St. Charles (636) 255-8421

Hazards of Blue Light

laptop-st. charles-moAs we depend more and more on digital screen technology, we are vulnerable to artificial blue light exposure for longer periods of time on a daily basis. Computers, flat-screen TVs, tablets and cellphones are all examples of electronic devices that employ blue light technology. A particularly powerful source of blue light waves is found in any gadgets that use LED backlights to upgrade clarity and brightness.
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Studies show that 60% of all people spend about 6 hours per day in front of some type of digital electronics. Yet after a mere two consecutive hours on a digital device, eyestrain and fatigue begins to set in! That means that a huge number of people are suffering from the risks and damaging consequences of blue light. In our St Charles office of Overland Optical Family Eyecare, we regularly diagnose and treat patients for the irritations and discomfort caused by excessive blue light.

Effects of Blue Light on Your Overall Health

The negative impacts of blue light exposure are widespread in your body and on your health, including:

  • Higher risk of some types of cancer
  • Disruption of your circadian rhythm, causing sleep problems
  • Greater risk of heart disease, diabetes and obesity
  • Higher incidence of depression
  • Digital Eyestrain Syndrome: irritated, dry eyes, headaches, blurry vision, trouble focusing, back and neck pain
  • Eye damage: may lead to macular degeneration and retinal complications

Blue Light & Your Vision

Digital Eyestrain

Once upon a time, carpal tunnel syndrome was cursed as the most common computer-related medical complaint. Digital eyestrain has now taken its place. Digital eyestrain and eye fatigue refers to the range of symptoms and conditions that result from using electronic technology day-in and day-out, such as your cell phone, computer, TV or video game. Symptoms include difficulty with accommodation (focusing), Dry Eye Syndrome, blurred vision and headaches.

digital-eye-strain-overland-moDigital eyestrain is regarded as a serious medical condition that affects adults and children alike. With personal smartphones, e-readers and video games, kids spend more time with digital tools than ever before. All of this proximity to blue light jeopardizes the healthy development of children’s visual system. Before age 10, kids’ eyes are still developing. Until that time, their cornea and lens is still mainly transparent, which allows a greater quantity of damaging blue light to penetrate. We perform eye exams for patients from the St Louis region and St Charles, and a large number of children and adults come in regularly complaining about symptoms caused by digital eyestrain.

Macular Degeneration treatment in St Charles, MO

Melanin is your body’s natural protection against the sun and harmful blue light. It’s found in your hair, skin and eyes. As we age, we lose melanin – with approximately half the protection gone by 65 years old. In general, this makes your body much more sensitive and defenseless against blue light.

As science investigates the full repercussions of overexposure to blue light, evidence is growing that it can cause permanent eye damage. Research indicates that cells in the center of the retina (the thin tissue covering your inner eye) can be destroyed, and the risk of age-related macular degeneration is increased. A Harvard medical study reports that blue light is the most dangerous light for the retina, and chronic exposure will lead to a noticeable rise in the amount of macular degenerations, retinal diseases and glaucoma diagnoses.macular-degeneration-diagram-st-charles-mo

If you’re experiencing any of the vision complaints caused by blue light, contact us at Overland Optical Family Eyecare for an appointment. We’ll help relieve your symptoms and restore your comfortable vision.

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