Ok, besides making you look like a dork, what do they really do?

Who knows really, does anyone really know how the human eyes and brain work in their entirety? I do not believe anyone does, otherwise we could construct these things.

We can only run tests and draw conclusions from those tests.

Blue blocking glasses is one of those things that is incredibly hard to test. It would require taking measurements over the course of 20+ years. Attempting to isolate all other variables. Very difficult.

So, everything I am going to talk about is philosophy. There are some study's but they can only provide a small amount of data.

The Data

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5854379/ This is a study showing blue light effects retina cells in mice.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4734149/ This one shows our Circadian cycle is affected by blue light.

There was another study I read months ago where they took mice, one cage had incandescent light, the other had LEDs. The mice with the LEDs had increased loss of retina cells.

The Philosophy

There is something going on. That is clear, LEDs, or blue light, or both. Our eyes can be affected by these things. So, can our sleep (circadian) patterns.

So, what can we do? I, like 70% of you reading this, spend a LOT of time staring at the computer screen. 99% of the screens we use today are backlit with LEDs.

That is not optional, we need to. So, what are we going to do about it? Anything at all? I mean we all do it, should we just ignore it, put it in the category of "don't eat sugar" Yeah, we know it is bad but what are you going to do?

Solutions

There is more than 1 way to combat this. These are the ones I see:

Let's talk about all of them. (Spoiler, I am a fan of the glasses route)

Blue Blocking Glasses

Pros:

Cons:

To me "they just work" yes, they are glasses, if you already wear readers then it might not be possible to find prescription blue blockers. I actually tried this for my father, they have clip on ones, oh boy do you look like a nerd with those on. They do work but he stopped wearing them because they were just too annoying.

I wear them every day, not 100% of the time. Some days I hardly wear them at all. It just depends, that is the nice thing about them. You can take them on and off very quickly.

The one's I have are USA made, and only $15. They are from UVEX. An authority on glasses, this specific model is just fantastic, for someone who never wears glasses I was able to just put them on and never feel soreness or discomfort of any kind.

Tape on screen filters:

Now I never even tried one of these. My mother had told me in the 90's they were all the rage. The only time I see tape on filters anymore are privacy filters. I would have a major problem with the use of them, so never even tried

Pros:

Cons:

Even though there are great pros to the screen filter, the cons are just too much.

Not being able to remove it on a moment's notice is a total deal breaker, I need to see colors, I am not going to rip a big piece of plastic off my screen 50 times a day.

Also, I know trying to get the thing to look perfect, cut to the perfect size, taped perfect, it is just not going to happen. It will bug me too much. Getting lint behind it that you cannot wipe off. No go for me.

Software Screen Filters

This is the easiest solution. Mac, windows, and Linux have free software available that will make the screen yellow to block out the blue light.

I just don't think they work. Displays are just filters in front of LEDs, if there is light coming through it all it is LED light, they can attempt to filter out all the blue but it just seems like it is not going to fully work.

Screens are not designed to do this.

Pros

Cons

If I was in some situation where glasses were just not an option then I would use this method. I actually use it on my phone every day. Yes, it is buggy and breaks things, and I am always wondering if it actually does anything.

Back to philosophy, it has to be better than nothing.

Eye care screens

Now this one is kind of new. I guess more and more people are thinking about their eyes and screens.

Pros:

Cons:

This is totally above my head. Monitors like the one I just bought have this technology. You would need to be a light engineer to understand if and how it works.

They just call it "eye care" it is on a lot of the newer Dell monitors.

I don't have much to say, it could be the end all superior solution to the problem. Or another marketing farse. I really have no idea.

Conclusion:

Like many things to do with the infinitely complicated machine called the human body, no one really knows. Do the solutions work? Is this even a problem?

All I know is the solution is not very expensive or difficult. So, if there is a chance it does something you are better safe than sorry.

I wear the above glasses every single day, on average 65% of the day. Sometimes when working with colors I need to just leave them off. Sometimes you just want to see the beautiful colors that are on the screen.

It just comforts me to know I am doing something. If I am buried in the terminal for hours then it just makes sense. I just need to see the text; it is not a problem.

It almost becomes like a ritual; it sets your mind into work mode. The brain does build associations, mine knows when the glasses are on it is time to work for an extended period of time.

Questions, Comments? Leave them below!

Go to: https://www.fosshub.com/Caesium-Image-Compressor.html

Click this link:

Save somewhere on computer:

Click download to open Installer:

Ignore warning and run installer:

Go threw wizard (agree to everything and leave all options default):

Finish and launch:

Now you are in the program:

Time to compress the files. Click on this button:

Now browse the computer and select files. You can select one or many at once:

When you hit open, the images will show up in the program:

Now select where you would like the compressed pictures to be output.

Select one of three options.

In this example we will put the output pictures in a new folder within the original directory called “compressed”.

Click the “…” to start:

Navigate to the directory where the pictures are from:

Right Click → New → Folder. Named “compressed”

Highlight and select folder:

You will see the new folder selected in the program:

Now you are ready to compress! Leave all settings as they default unless you want to experiment:

Now hit the tiny “Compress!” button:

Now it will run and compress all the pictures that are in the list. When complete you will see this message:

You can see how much the photos were reduced in size:

Now if done compressing, close the program. Then navigate to the original directory of the pictures to see your new “compressed” folder:

Now open the compressed version and the original to compare:

That’s all folks! You have compressed your images and they are ready to be used on the web!

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