Have you ever wondered what blue light is? The light having a short wavelength and high energy is known as blue light. In sunlight, you can find this light. You can also find this light on LED televisions, smartphones, tablets, and computers. There are both advantages and disadvantages of this blue light. Let us first shed light on the advantages of blue light.
Regulation of Circadian Rhythm
Blue light is quite effective in regulating the natural sleep-wake cycle of the body. When a person is exposed to blue light during the day, it helps to make one alert, the cognitive skills of the person work properly, and the mood of the person also improves.
Improve Cognition and Vision
Contrast and colour perception get improved by blue light, which helps to have good vision. Even one can read things properly in low light also. It also alerts the brain and helps in improving cognitive skills.
Skin Treatment
The bacteria that causes acne is killed by the blue light which helps to have flawless skin. Therefore, it is also good for the skin.
Enhances Mood
Blue light is also considered effective in improving the mood of a person. Usually you have heard of the incidents when the doctors also recommend taking a patient out in bright light who always feels a bit negative, this helps to have positive thoughts in mind.
No doubt, blue light is quite good for the skin, cognitive skills, and the mood of a person, but it also possesses some disadvantages as well. Let us discuss those disadvantages as well.
Eye Strain
A person can suffer from headaches, back pain or neck pain, and even a person’s eyes can become dry easily if one uses mobile phones, laptops, computers and other electronic gadgets a lot as having excess screen time puts strain on the eyes.
Sleep Problems
A person can also encounter issues in having a sound sleep due to blue light and a person can also face difficulty in falling asleep. This is because melatonin’s production gets suppressed due to blue light. Therefore, exposure to blue light in the evening or night should be avoided.
Retina Damage
Macular degeneration can develop due to being exposed to blue light for a long time. Therefore, it can affect the retina of a person in a negative way. Even blue light can result in photochemical damage to the retina of an eye.
Limit your exposure to blue light, it can be highly effective in improving your eyes condition. If you need to use the screen for your personal or official purpose, then prefer taking a break after every 20 minutes to give rest to your eyes. Prefer using warm lighting in your home so that your eyes do not get harmed. Always use some eye drops to moisturise your eyes.
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