You must be familiar with LED lights now. Most of the night lights, table lamps, chandeliers commonly used in indoor homes, miner‘s lamps used in work, outdoor lawn lamps and other landscape lights are LED lights. LED lamps are more energy-saving and environment-friendly than our common incandescent lamps and energy-saving lamps, and have a longer service life.

So, from the perspective of eye protection, does LED light protect human eyes?

In the visible spectrum, the color of the light in the visible area is purple blue, cyan green, yellow orange

Ultraviolet light: Ultraviolet light is a device that can emit ultraviolet light, is a necessary tool to observe the fluorescence and phosphorescence characteristics of samples, and is also a physical means for sterilization. The wavelength is in the range of 10~400nm. This is the most harmful light to the eyes. The common germicidal lamp is ultraviolet lamp.

Blue light: The blue light closest to the purple light also causes great damage to the eyes. Long term exposure to the eyes is prone to acute damage, leading to corneal epithelial detachment and irreversible damage to the retina.

Red light: The red light of the radiation lamp is also harmful to the eyes.

Yellow light: The most eye pleasing light is yellow light. Yellow light is a spectrum that can not only make the eyes feel visual signals, but also cause the least harm to the eyes. It is the healthiest and most eye pleasing spectrum.