Does Blue Light Glasses Really Work : Discover the Truth and 2 alternative

In today’s digital age, the pervasive presence of screens exposes us to a constant stream of blue light emissions. This week’s #KnowITAll segment is dedicated to unraveling the mysteries surrounding whether Blue Light Glasses Really Work, exploring purported protective measures, and offering practical alternatives for safeguarding your precious eyesight.

Blue Light Glasses Really Work

Diving into Blue Light: Understanding the Phenomenon

Blue light, a member of the high-energy visible (HEV) light family, emits short wavelengths and is emitted by various sources, including digital screens, LED lights, and even sunlight. Yes, you read that right – the sun also contributes to our blue light exposure.

The Impact on Our Well-being: Unpacking Blue Light’s Effects

Exposure to blue light isn’t just a casual concern; it can lead to digital eye strain and contribute to long-term eye health issues such as Macular Degeneration. Furthermore, blue light disrupts our body’s internal clock, known as the circadian rhythm, by suppressing the production of melatonin, a hormone crucial for regulating sleep. This disruption can result in difficulty falling asleep and compromise overall sleep quality.

Deciphering: Does Blue Light Glasses Really Work ?

Enter blue light glasses – touted as the ultimate solution to combatting digital eye strain and enhancing sleep quality. These specialized glasses are designed to filter out or block blue light emitted by screens, aiming to alleviate eye strain and potentially improve sleep patterns. However, the burning question remains: do Blue Light Glasses Really Work?

While blue light glasses offer some degree of protection against blue light, their efficacy is often overstated. These glasses typically block only a fraction of blue light, with manufacturers providing ambiguous information about their effectiveness. In reality, they fail to completely eliminate blue light exposure, leaving users vulnerable to its effects.

Unveiling the Hype: Understanding the Marketing Strategies

The surge in demand for blue light glasses can be largely attributed to savvy marketing tactics employed by prominent eyewear companies. By leveraging buzzwords like “Macular Degeneration” and resorting to fearmongering tactics, such as referencing “Skin Cancer,” these companies capitalize on consumer concerns to drive sales.

Demystifying Blue Light’s Perceived Danger

Contrary to popular belief, blue light isn’t inherently dangerous. While studies showcasing its harmful effects often involve intense, close-range exposure – scenarios rarely encountered in daily life – our typical exposure to blue light is far less intense. After all, if blue light were as perilous as some claim, widespread vision problems would be rampant by now.

The Verdict: Are Blue Light Glasses a Sham?

While Blue Light Glasses Really Work to some extent, their efficacy is limited. Instead of relying solely on these glasses, consider adopting more effective and convenient alternatives to reduce blue light exposure:

1. Enable Night Light or Night Shift:

Many modern devices offer features like “Night Light” or “Night Shift” that reduce blue light emissions as daylight fades. By enabling the auto-turn-on option, you can synchronize these settings with sunset, preserving your circadian rhythm.

  • In Windows: Go to settings > Display > Night Light > Turn it on and / or set “Sunset to Sunrise”
  • In Mac: Choose Apple menu > System Settings > Click Displays > Click Night Shift

2. Embrace the 20-20-20 Rule:

Give your eyes a much-needed break from prolonged screen time by following the 20-20-20 rule. Every 20 minutes, take a 20-second break to focus on an object at least 20 feet away. This simple practice helps alleviate eye strain and keeps your eyes refreshed.


In conclusion, while Blue Light Glasses Really Work to some extent, they aren’t the definitive solution to combating blue light exposure. By adopting healthier screen habits and incorporating practical alternatives, you can effectively protect your eyes without relying solely on specialized eyewear.

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