Danger more than UV400 T-max # High Energy Visible (HEV) Blue Light

We understand that UVA, UVB, UV T-max, all these UV radiation from 10nm to 400nm wavelength, how it hurts and harmful to human skin and eyes.

But there is still some harmful radiation we must aware and taking precaution, with the longer wavelength 400nm and above.

Sun Barrier Sun Girl

High Energy Visible (HEV) Blue Light
Extra harmful - 400nm to 500nm
Sun Barrier Sunshine
High Energy Visible (HEV) Blue Light – the flickering blue light that penetrate into retinal and resulting into loss vision in long term. It is also one of the visible light spectrum, below are the harmful blue light that affect everyone especially young society.

Sun Barrier Love Sun
What blue light (HEV) can affect and damage?
The flicker and glare may be one of the reasons for eyestrain, headaches, and physical and mental fatigue. Because it is shorter, these "Blue" or High Energy Visible (HEV) wavelengths flicker and create glare that can:
  • Reduce visual contrast
  • Affect sharpness and clarity
  • Long term will lead to vision lost


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