Blue Light – Frequently Asked Questions
  • Digital devices (such as computers, TVs, cell phones, tablets).
  • Energy efficient light bulbs.
  • It’s not all bad; it is beneficial in the daytime! It boosts attention, reaction times, and mood.
  • Beneficial turquoise light synchronizes our human biological clock (tells us when to wake up and go to sleep).

We all know about how damaging Ultra Violet light can be, but some people are arguing that HEV may be just as bad- if not worse than UV! Just as it affects us beneficially in the daytime, consider the disruptive adverse effects at night with our sleep patterns! Some preliminary studies show it may be more departmental than just taking longer to fall asleep at night.

  • Blue light suppresses the secretion of melatonin. Lower melatonin levels directly associate with obesity, diabetes, heart disease, and cancer.
  • Anti-reflective treatments that reflect the HEV such as Shamir Blue Zero.™  Blue Zero is a nearly clear lens. By absorbing just the right amount of blue light, Blue Zero protects health without interfering with visual comfort. It also provides UV protection by effectively absorbing harmful UVA and UVB rays.
  • Limiting your screen time will lessen the amount of blue light that you are exposed to.
  • Blue Light (HEV) affects everyone from young to old because its exposure is nearly everywhere.
  • Avoid bright screens a minimum of 2-3 hours before bed.
  • Utilize the “Night Mode” feature on Smart Phones that limits blue light emission.