What Is Blue Light On Your Cellphone? This Is Understanding, Benefits, And Impact On Humans

Blue light illustration (Unsplash)

YOGYAKARTA Not many people know what blue light is on the cellphone. As the name suggests, blue light generally refers to the presence of light in the screen of smartphone phones, computers, or other types of gadgets. So what is blue light on the actual cellphone?

As the name suggests, blue light is a bright blue light emitted by the screen on digital devices such as cell phones, tablets, television, and so on. The blue light on the cellphone actually serves as lighting on the light-emitting diode (LED) so that the visual images that appear on the screen can be clearly and clearly visible. However, the phone or electronic device is sailing, not the only source of blue light.

Quoted from AI Care, blue light or blue light is one of the light spectra that has short waves of about 415-455 nm with a high energy level. The largest source of blue light is produced by the sun. So that naturally humans and living things basically take advantage of the blue light in their daily lives.

Basically humans need a blue light. Naturally, blue light helps the eyes stay active and awake. In addition, the blue light also takes a role in regulating the mood and rhythm of the sirkadian.

Despite having benefits, blue light also has a negative impact on health if humans get too much and often expose blue light in a day.

In UC Davis Health, it is stated that basically exposure to blue light originating from artificial screens is still relatively small compared to the amount of sun exposure. But what is feared is the long-term effect of blue light coming from digital devices consumed for too long and too close to the eyes. The health side effects caused by blue light are as follows.

Blue light which causes human eyes to focus while staring at the screen simultaneously makes the eyes tired easily or digital eyestrain. This condition is usually experienced by workers who look at gadgets or laptops for too long. When that condition occurs, the eye will also lose its softening. Fatigue in the eye will trigger other problems such as irritation, headaches, and the reach of the eye muscle.

Blue light also has the potential to disrupt the rhythm of circadian or rhythm that regulates sleep cycles for 24 hours. In a study published atturbationbiology International, someone who is exposed to blue light for 2 hours at night will have an impact on melatonin production.

The melatonin hormone function is to trigger drowsiness so that it is easy to fall asleep. While exposure to blue rays at night will prevent someone from falling asleep. As a result, of course, the chaotic sleep hours and decreased sleep quality.

That's the explanation of what blue light is on your cellphone. Visit VOI.ID to get other interesting information.