Brighter screen affect eyes12/21/2023 ![]() This region is responsible for setting the body clock, achieved by regulating the production of the hormone melatonin in the pineal gland. Light-exposed ipRGC cells send signals to the suprachiasmatic nucleus in the brain. These cells, called intrinsically photosensitive retinal ganglion cells (ipRGCs), are particularly sensitive to short wavelength blue light. First, we have specific cells in our eye retina that function as detectors of the duration and intensity of light. There are several components of this system that are particularly important. Our circadian rhythm (the sleep-wake pattern) is regulated by our exposure to light. Exposure to bright screens in the evening hours is particularly harmful. Disturbingly, this number is growing in recent years.Īpart from many social and psychological factors, the growing level of stress in the general population can also be linked to the growing and excessive use of computers and smartphones. It is estimated that around half of all Americans suffer from chronic stress at moderate or severe levels. Sleeping pattern disturbances also contribute to excessive body weight. For instance, the link between chronically bad sleep and cardiovascular problems is well documented. There are long-term negative consequences for other organs and systems of the body too. ![]() This may lead to conflicts and stress at the workplace resulting, in some cases, in anxiety and depression. With normal sleeping hours often affected, people sleep less at night and if they can, compensate for this lack of sleep with daytime naps.ĭisturbed sleep patterns are often linked to a diminished ability to focus on work, lack of motivation, and a generally low mood. Lots of people complain about disturbed shallow sleeping and frequent awakenings at night. Many people can’t fall asleep in the evening and then do not feel refreshed the next morning when they have to go to work. These days, an increasingly large number of people report problems with sleeping. Moreover, the blue light (of a wavelength of ~470 nm) that is emitted by these devices is particularly harmful to normal sleep. These light emitting screens can seriously affect our sleeping pattern. One way or another, we do indeed spend too much time with our computers, laptops, tablets, and smartphones.Īpart from changing the way we communicate (for better or worse), all these devices have one more thing in common: bright screens. ![]() Many others think that these devices isolate us from real interaction with the world around us. For many, this addiction to high-tech devices represents a way to be connected to friends and family. When not on the go, we still tend to stare at computer screens both in the office and back at home. Mobile technology is everywhere these days. We often complain about people around us constantly being glued to their phone.
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