How Much Lux Does AYO's Circadian Light Emit?

AYO is a wearable (blue) light therapy device and, as such, measuring light properties in Lux (illuminance) is not optimal.

The reason behind it is that unlike traditional light boxes, the light source is in a very close proximity to the eye (instead of at an arm's length), so irradiance is a better suited measure. The irradiance is basically the "strength" of light that is entering your eyes. The irradiance level of AYO’s light is up to 250 µW/cm2, comparable (i.e. within the referent values) to the most researched and successful blue light therapy boxes on the market. 

Additionally, unlike traditional light therapy lamps which use full spectrum light, AYO uses narrow-band circadian blue light from close proximity. Therefore, Melanopic Equivalent Daylight Illuminance (m-EDI) is another good way to measure the circadian effect of AYO. M-EDI is an international standard metric used to quantify the biological impact of light on human circadian rhythms. At 100% intensity, AYO emits approximately 1,354 ± 117 m-EDI, well above the threshold of 250 m-EDI to provide a circadian effect. 

Therefore, AYO's circadian blue light may be considered comparable in terms of efficacy to a typical light therapy lamp emitting 10,000 lux of bright light.