Protect the apple of your "eye" against blue light

We all have heard the English phrase “the apple of one’s eye” which means the person who someone loves most. There is no doubt that its origin comes from the most important part of the human body: our eyes. However, these days we tend to harm the one thing that we cherish the most by spending countless hours in front of the computer screen, mobile phones, or tablets. As a result, we are inevitably exposed to blue light.

Many experts have warned that blue light from electronics is associated with blurry vision, eyestrain, dry eye, macular degeneration, and cataracts. Sometimes our job makes it hard for us to leave the screen. In this month’s article, we would like to recommend three programs that will help filter the blue light emission from your screen so that you can avoid damaging your eyes as much as possible.

Stay protected with no change in a flicker rate

The first eye protection program that is free and easy to use with no confusing buttons and options is Iris mini. One of its best features is the color temperature of the screen and screen brightness adjustment without increasing the flicker rate of the monitor.

The blue light emission from the screen can be decreased by adjusting the color temperature. When you are using a computer during late hours and exposed to blue light, the secretion of melatonin will be impeded which makes you stay awake at night. This is when Iris mini does the trick. Based on your location, with Iris mini enabled, your screen will appear a little more yellow or red depending on the value of the color temperature.

Another good thing about this program is it can change the brightness without decreasing the flicker frequency. The monitor flickers all the time when it is on and at a quite high frequency as well, but we are just not aware of it. This is when the problem occurs. Most monitor companies try to control the brightness by decreasing this flicker rate. And the lower the frequency, the more we are at risk of eye problems. But Iris can protect your eyes without changing a thing.

The program is available in 3 modes: automatic, manual, and paused. For automatic mode, the color temperature will be 5000K and 100% brightness during the day. But this will be reduced to 3400K and 80% brightness at night. If the manual mode is enabled, the color temperature will always remain 3400K with 80% brightness. And if you are on a paused mode, the program is temporality disabled and no color will be adjusted.

Should you be interested, Iris mini is available for free download on Windows, OSX, and Linux. And if you want more options for screen adjustments, you can also get the Pro version for about ฿300.

Stay safe in style

Another recommended program that keeps your eyes safe in style is f.lux. It is developed to make your computer’s display look like the room you are in depending on the time of the day. In other words, the color of the screen will be warm at night and like sunlight during the day.

Therefore, it is safe to say that not only does f.lux help protect your eyes from the blue light, but it also makes your computer look better than ever. When the sun sets, it makes your computer look like your indoor lights. And in the morning, it makes things look like sunlight again. Just tell f.lux what kind of lighting you have and where you live, then it will automatically do the rest. You can download f.lux for free on Windows, Mac, Linux, Android, and iOS.

Stay shaded on Mac


Available on Mac only, Shades is one of the options for you to control the brightness of your screen. Running in the background, it offers fine-grained control over the brightness of your display via a cutting-edge Mac-like interface that you are familiar with.

Although recent Apple laptops already include brightness controls for dimming the screen in dark conditions, there are still several situations where such built-in controls are unsatisfactory. Many of us still feel that the screen is too bright despite the minimum brightness setting for a pitch-dark room. If you are one of those people, then try Shades.

There is no need to emphasize how important our eyes are. We are born with only one pair of eyes so we had better protect them as much as we can. Even though our jobs in front of the computer screen might not allow us to do much, it is still better than doing nothing. So, why don’t you go ahead and download one of these eye protection programs for a start?