Even if you do not use the computer as often, you have certainly noticed that after a while staring, “side effects” start to appear on the screen: headache, fatigue, eye pain, blurred vision. This is due to the blue light emitted by our monitors and phones, which is extremely damaging to the eyes and, with a long daily load, even results in loss of vision.


For today, a day without a computer or phone sounds like a day without water. Almost every profession already requires compulsory computer use. Our hobbies, our communication with friends and the world, access to information - virtually all our activities are screen dependent. That's why more and more people are forced to wear glasses from a young age.


This problem is also faced by Daniel Georgiev, a young programmer who put on his glasses only six months after starting his first job at a software company. The fact that he can no longer stand in front of a computer for hours without his eyes (and not only) suffering from it, as it was before, greatly frustrates him and makes him look for ways to solve the problem.


Turning his vision back into a fixed idea, Daniel spends two years researching his eyes and monitors. It is important for him to determine how they work to create software that minimizes or neutralizes the harmful rays of screens. This is how Iris appears, an application that blocks the blue light and automatically adjusts the light on the monitor, depending on the time and location.

Daniel Georgiev


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Why Are Our Eyes Painful?


Our eyes are made to observe objects at different distances. Reading and using a computer are not natural activities for sight. They appear much later in human life, which suggests that our eyes should have adapted to these unnatural activities. This is the main cause of the most common eye diseases. When we read, our eyes stop blinking to focus on the letters.


When we look at the monitor, focusing becomes even more difficult and eyesight is strained as the screens flicker constantly. It's like watching millions of light bulbs that light up and off at just a few inches. - explains Daniel. But our brains work slower and cannot perceive it. However, our eyes are much faster and our irises start to open and close very quickly, which causes pain in the eyes when we sit on the screen for a long time.


The lower the frequency of flicker, the more our irises open and close while our eyes remain stationary. In order to feel less pain, the frequency should be very high. However, this is not beneficial to companies and they create devices with an even lower flicker frequency, which complicates the work of the eyes even more.


In addition to the eyes, the blue light emitted by the screens interferes with normal sleep, especially if we use the computer in the evening because it interferes with the secretion of melatonin, the hormone of sleep. The monitor is like a little sun that radiates all the colors of the rainbow. Watching the sun at night when it's dark is not natural to the eye. By eliminating the blue light in the evening, we can ensure a normal and healthy sleep.

How does Iris work?


The software blocks the blue light from our monitors automatically throughout the day, eliminates flickering, eye strain, adjusts brightness, makes fonts more readable. According to Daniel, this is probably the best solution to protect our eyes, which makes our screens more useful for vision. Depending on the light in the room, whether day or night, the screen changes its light and adapts to the environment to minimize eye pain. The program works with almost all operating systems, as well as mobile phones and tablets.


In the 23 years alone, Daniel Georgiev and Iris have enjoyed over 2 million users in 180 countries. The beginning, of course, is not easy. He leaves work and university to devote himself to his project and for almost a year lives with minimal money a month. However, Iris is currently one of the most popular applications in Bulgaria and is helping millions of people around the world. Daniel's goal is for more people to get adequate protection for their eyesight. The programmer intends to continue to improve the application and to the benefit of people.


More about the app here.

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