Projectors are the most effective way to present visual material. They are used in almost every field of profession, for example, in business meetings, in classrooms as a strong audio-visual aid, and in homes to create a cinema.
No one can deny its importance and the unlimited advantages that the users are availing.
Besides all the good factors that are associated with the use of projectors, we can’t overlook some drawbacks. And one of the main disadvantages of projectors is their blue light.
The blue light of projectors is adverse for the eyes. This light makes the overall watching experience pretty uncomfortable. This results in eye strain, and if it is not prevented, then it may also cause severe eye infections with irreversible damage. So the use of projectors demands great care of your eyes.
Those who are passionate about using projectors and are not serious about taking necessary preventive measures must read this blog.
After reading this article, they will come to know that do projectors emit blue light or not. And if yes, then what are the side effects, and how to save the eyes from this light?
Let’s go ahead to get complete information!
What is Blue Light?
Have you ever read about white light? White light is a combination of different lights or colors. The colors like red, green, orange, yellow, violets, indigo, and blue make a beautiful blend of colors, finally making white light.
But among all these colors, blue colored light is one of the most dangerous lights to the eyes. This light has a shorter wavelength and high energy or high frequency.
The lights with shorter wavelengths affect the focus of the eyes. It allows the eyes to focus in the center instead of the front of the retina, which is why blue light creates severe nearsightedness and visual fatigue.
Do Projectors Emit Blue Light?
One of the naturally present lights on the earth is blue light. And if you are concerned about this question and pondering it over and over again, do projectors emit blue light? That is true!
Just like other electronic devices like laptops, computers, televisions, light bulbs, projector screens also emit blue light, which is dangerous for the eyes.
Although, it is accepted that projectors are less harmful to the eyes as compared to televisions because the blue light which emerges from the projector screen doesn’t enter the eyes directly.
But if you want to prevent your eyes from any kind of damage, then try to make an adequate distance from the screen.
Still, there is so much to tell you about the topic. So stay with us and scroll your screens down!
How Much Blue Light Projectors Emit?
There is no doubt in the fact that projectors emit a pretty good amount of blue light, but this is a safer option to get entertainment and manage a lot of tasks as compared to mobile phones and televisions.
This happens due to the difference in the mechanism of the traveling of blue light.
From the projector’s screen, the blue light, instead of entering directly into the eyes, fall on the screen where the picture is displayed. Most of the harmful effects of that light absorb at this point and then safely passed to the eyes of the user.
Do you think that you can watch movies non-stop for hours with a projector, or does the screen time will never affect your eyes with the use of projectors? If yes, then you are wrong!
You still have to take some preventive measures to take care of your eyes. Otherwise, you may never be able to see the details on the screen of the projector.
What are the Preventive Measures to Avoid Eye Damage from Emitted Blue Light from Projectors?
Just a few safety measures can prevent your eyes from being damaged. You just have to keep these precautions in your mind.
Let’s have a glance at them!
Use Proper Protection for Eyes to Open Projectors
Opening up the projector while it is in working mode is surely a stupid thing, especially if you are doing this without wearing special eye protection.
When someone opens up the projector, the unfiltered blue light falling on the screen will directly enter the eyes, creating adverse effects because it will damage the retina of the eye temporarily or permanently.
And just to tell you about the level of adversity associated with this activity, the blue light may cause the eyes to burn and sometimes creates blindness.
Maximize the Distance from the Screen
Make sure that you are mounting the projector screen in the most accurate place. Placement accuracy is mandatory to make a good distance from the projector’s screen.
Avoid sitting too close to the screen to maximize eye contact. Most of the projectors come with a manufacturer’s guide, which helps the users to find out the best distance they should maintain during screen time.
Avoid Staring at the Screen
Don’t try to stare directly at the screen, doesn’t matter how interesting the movie is!
If you do this for hours, then it will surely affect the focus of the eyes.
Moreover, staring at the screen for too long can distort the angle of the eyes, as well as the screen emits a large amount of light from a small area that directly falls at the center because of staring.
Follow the 20/20/20 Rule
This is the best and the ultimate solution to protect your eyes from the blue light of the projector screen, especially if you want to game with a projector.
Take a break of 20 seconds to look at something which is 20 feet away after every 20 minutes.
This will help you to use both sights and will never stress nearsightedness.
Surely, you are reading this article through some type of screen, either a mobile screen or laptop screen, and just like these screens, projector screens also emit blue light, which is not much dangerous but is adverse to some extent.
So you have to take care of your eyes by applying these easy preventive tips.
Trigger Warning: Don’t ignore eye health; otherwise, you will be deprived of the beauty of nature!
Hi there! My name is Haris Rehman, and I review projectors for homes, movies, and offices. My passion for all things audiovisual has led me to test and review a broad range of projectors for consumers to help them make informed purchasing decisions. The reviews I provide are honest and unbiased based on my understanding of what makes a quality projector. Check out my blog for the latest reviews and insights.