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How Does Blue Light Affect the Eyes?

Blue light has been a hot subject of news and conversation lately. With our increasing dependence on digital devices and LED lighting, our exposure to blue light has gone way up. So, what’s the big deal? How exactly does blue light affect our eyes? Let’s delve into the science and explore the impact of blue light on our visual health and what we can do about it.

Blue light, a high-energy visible (HEV) light, is emitted by the sun and many artificial sources such as smartphones, tablets, computers, and LED lights. But even though this type of light is crucial for regulating our sleep-wake cycle and boosting our mood during the day, excessive exposure can have detrimental effects on our eyes.

One of the primary concerns with blue light is that it can cause digital eye strain, otherwise known as “computer vision syndrome”. Research shows that extended screen time can lead to symptoms such as dry eyes, eye fatigue, blurred vision, and headaches. With Southern CA being a bustling hub of tech and innovation, it’s important for us to be aware of the impact blue light can have on our eye health.

Furthermore, studies suggest that chronic exposure to blue light may increase the risk of age-related macular degeneration (AMD), a leading cause of vision loss. The Bay Area, with its vibrant tech industry, should pay particular attention to this statistic.

According to a study conducted by the American Optometric Association, 70% of American adults experience digital eye strain, highlighting the prevalence of this issue.

So, what can be done to protect our eyes from the harmful effects of blue light?

Here are a few simple steps you can take today:

  1. Take frequent breaks, and practice the 20-20-20 rule: Every 20 minutes, take a 20-second break and look at something 20 feet away. ‘

  2. Invest in blue light filtering glasses that reduce the amount of blue light your eyes take in

  3. Use software applications that reduce blue light emission from your computer screens

To learn more about the impact of blue light on our eyes and how to safeguard your vision, visit our website at Our team of experts is here to assist you in making informed decisions about your eye health and well-being.


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