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The distance between your eyes and your computer may contribute to an increased risk of computer vision syndrome. Glare on the screen from bright lights or reflections on the screen may make it harder to stare at the screen when you need to look at the text or images for a longer period of time. For example, a website may have a gray tinted background with darker gray letters, which could lead to eye strain. Letters on a computer screen are not as defined as those on a printed page, and the contrast may be reduced. Reading words on a computer screen is a different experience than reading printed words on a page.ĭigital screens emit blue light, which is brighter and more intense than the yellow spectrum of light associated with daylight or some types of lightbulbs.

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With digital screens becoming increasingly important parts of our lives, it is equally important to know how to reduce the impact this kind of strain has on your vision. Using digital screens puts a particular type of strain on the eyes that reading and writing tasks without computers do not. Why Are Digital Screens Harder on the Eyes? If you do not get regular vision exams to manage existing eye problems, or you have an undiagnosed eye condition affecting your vision, struggling to read words on a computer screen can make eye strain worse. Trying to focus on bright objects that may be too small or too far away, like text on a small screen.Using the eyes in specific patterns, like reading left to right repeatedly.Use of computers, tablets, smartphones, or e-readers that emit specific frequencies of blue light.

Much of this screen time is white-collar labor, but increasingly, communication with loved ones and hobbies like gaming involve using a digital screen too. The average American worker spends seven hours a day in front of a screen of some kind - at work, during transit, and at home. The condition is also called digital eye strain. What Is Computer Vision Syndrome?Ĭomputer vision syndrome (CVS) has an ominous ring because it is a serious type of repetitive strain injury that affects your vision, along with other aspects of your physical health. While you can make the recommended lifestyle and environmental changes recommended for CVS without a diagnosis, an optometrist or ophthalmologist will be able to tell you if CVS is impacting your vision, making a refraction error worse (like temporary myopia), and what else you can do about it, like using special blue light-filtering glasses or attending visual therapy sessions to protect your eyes. Symptoms include dry eyes and headaches, along with other kinds of strain that lead to overall fatigue.