These glasses are designed to filter out harmful blue light emitted from screens and artificial lighting. Glasses that block 99% of blue light provide maximum protection, reducing eye strain and improving sleep quality.

Blocking 99% of blue light ensures that your eyes are protected from almost all harmful wavelengths. This helps prevent digital eye strain and disruptions to your sleep caused by excessive blue light exposure, especially at night.

Yes, by filtering all blue light, these glasses help promote melatonin production, which is essential for regulating sleep. Many users report better sleep quality after using them in the evening.

For the best results, wear them 2 to 3 hours before bed, with a minimum of one hour before sleep. This helps reduce blue light exposure and prepares your body for restful sleep.

Most standard blue light glasses block only 20-40% of blue light, which helps reduce eye strain but doesn’t fully protect against sleep disruption. Glasses that block 99% offer a higher level of protection, especially beneficial for night-time use.