In a world where our lives are increasingly interconnected, and our digital screens are ubiquitous, the issue of blue light has become a growing concern for our visual health.

Many people are turning to lenses with blue-light coatings to counter the harmful effects of this light emitted by our smartphones, computers and tablets. But what are the real advantages and limitations of these lenses? 


  • Reduced eye fatigue: One of the main advantages of lenses with blue-light coating is their ability to reduce eye fatigue. By filtering out some of the blue light emitted by screens, these lenses can help prevent dry eyes, headaches, and tired eyes often associated with prolonged exposure to screen light.
  • Improved sleep: Blue light can disrupt our natural sleep cycle by suppressing the production of melatonin, the hormone responsible for regulating our biological clock. By wearing lenses with an antiblue-light treatment, especially in the evening, you can reduce this disruption and promote better sleep.
  • Protection against long-term damage: Studies suggest chronic exposure to blue light may contribute to long-term vision problems such as macular degeneration. Lenses with blue light treatment can help protect your eyes from this potential damage by reducing exposure to this harmful light.


  • Varying effectiveness: While lenses with blue light treatment can offer certain benefits, their efficacy can vary from person to person. Some users may experience a significant reduction in eye fatigue and headaches, while others may notice only a minimal difference.
  • Additional cost: Opting for lenses with blue-light coating may entail an additional cost compared with standard lenses. This extra cost may not be justified for some, especially if eye fatigue symptoms are not particularly severe.
  • No replacement for good visual habits: While lenses with blue-light coating can offer additional protection, they do not replace good visual habits, such as taking regular breaks when looking at screens, maintaining adequate distance from screens, and adjusting screen brightness.

Lenses with blue-light filters can offer significant benefits, including reducing eye fatigue, improving sleep quality and protecting against long-term damage.

However, it's important to recognize that they also have limitations and are not a silver bullet for all problems associated with blue light exposure. Before choosing them, it is advisable to consult an eye care professional to determine whether they are suitable for your individual needs.