Why block blue light?
To understand that, you need to understand the science of light and how it influences your biological rhythm.
Light and the Biological Rhythm
Light is a key synchronizer (zeitgeber) of the circadian rhythm. Our retina detects light, and melanopsin—a pigment in specialized retinal ganglion cells—transmits information to the suprachiasmatic nucleus (SCN) in the hypothalamus. The SCN acts as a master clock, regulating:
- Sleep
- Metabolism
- Body temperature
- Hormone levels
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However, blue light emitted by LED devices disrupts this delicate biological clock. It delays melatonin release, shifts circadian rhythm phases, and causes dysregulation, leading to:
- Daytime fatigue
- Difficulty concentrating
- Increased stress levels
- Headaches and migraines
- Sleep disturbances
Source
For people with photophobia (light sensitivity), blue light is one of the most common triggers of discomfort and pain.
How Does Fovea Blue™ Help?
Out of the need for health protection and improved well-being, Fovea was created—glasses with yellow and red lenses that block blue light. Their goal is to enhance quality of life by supporting the body in aligning with its natural biological rhythm.
Here is the sunlight spectrum compared to LED light spectrum:
And here are the spectra of transmittance of our EnergEyes™ and TranquilEyes™ Pro lenses respectively:
Our lenses block the excessive blue light "spike" characteristic for artificial light and may protect you from the negative consequences of blue light exposure.