SNELLENRED


Glasses with Blue and Infrared Light Protection

1. Introduction

In the digital age, we spend a large portion of our time in front of electronic screens such as computers, smartphones, and TVs. This prolonged exposure raises concerns about the effects of certain types of light emitted by these screens, particularly blue light and, more recently, near-infrared (IR-A) light. Glasses with blue and infrared light protection have emerged as a technological solution to help mitigate these harmful effects.

 

2. What is Near-Infrared Light (IR-A) and What is Its Impact?

Near-infrared light covers wavelengths from approximately 780 to 1400 nm. It is not visible to the human eye, but it generates heat and can penetrate deep into ocular tissues. Although its effects have been less studied than those of blue light, some experts suggest that prolonged exposure may:

  • Increase oxidative stress in retinal cells.

  • Contribute to premature aging of the eyes.

  • Worsen visual problems in combination with other sources of radiation.

 

3. What Do Glasses with Blue and Infrared Light Protection Do?

These glasses are equipped with special lenses that selectively filter or block certain wavelengths of light. Their main functions include:

  • Blue light filtering: They reduce the amount of harmful blue light entering the eye, improving visual comfort during screen use and promoting better sleep.

  • Infrared protection: Some advanced lenses incorporate technologies that reflect or absorb infrared radiation, reducing thermal and oxidative stress on the eyes.

  • Contrast enhancement: Some glasses also improve visual contrast perception, which can be helpful when working with screens or under artificial lighting.

 

4. Benefits of Using These Glasses

  • Reduced digital eye strain.

  • Prevention of sleep disorders caused by nighttime screen use.

  • Long-term protection against damage to the retina and lens.

  • Comfort during exposure to intense natural or artificial light.

 

5. Who Should Use Them?

  • People who spend many hours working on computers.

  • Frequent users of smartphones and tablets.

  • Students, gamers, graphic designers, programmers.

  • Individuals sensitive to light or with a history of eye conditions.

 

6. Conclusion

Glasses with blue and infrared light protection represent a useful innovation in eye health care, especially in an increasingly digitized society. While they do not replace the need for regular breaks and good visual hygiene, they can be an effective complement for those looking to protect their eyes from the harmful effects of modern light exposure.