In todays world we spend most of our time looking at screens: be it a computer screen at work, a mobile phone screen to make a call or a TV screen to relax. The question now is how bad is looking at screens for our eyes? Is there really any harmful consequences? Is it possible that there are benefits to the eye to look at these screens for a prolonged period? This is your world of solutions be rest assured that these questions and more will be answered in this article. The answer to the questions is not definite enough. While many who work in office environments and have worked with computers all their lives have developed eye problems, many others have not .However, certain things are known. According to Dr Blakeney, an optometric adviser to the College of Optometrists, computers will not permanently damage the eyes; however, they can cause strain or exacerbate existing eye conditions.
People who look at computers frequently, (in particular those that look at a computer for more than three hours a day may experience symptoms such as:
Eye discomfort
Itchy eyes
light sensitivity
Dry or watering eyes
Burning sensations
Changes in color perception
Blurred vision
Difficulty focusing

Nathan Efron, a professor of optometry, is of
the opinion that screens of electronic devices are not “harmful” to our eyes. However, he admits that if you use one a lot, you increase your risk of becoming slightly more short-sighted – where your eyes focus well only on close objects while more distant objects appear blurred. This risk of “becoming slightly more short-sighted” is hardly applicable to persons of over 30. The explanation for this is that eye’s growth and development will have become complete. If you already have some short-sightedness from screen use or reading earlier in life, it could actually become an advantage after about age 45. This is because our eyes change as we age, for reasons that have nothing to do with how we use them. We naturally become less able to read up close because of physical changes in the eye’s lens that tend to become noticeable in middle age.
  Despite the potential eye problems caused by looking at a screen too frequently, research carried out in the US has actually found that some screen viewing can be of benefit to the eyes. Specifically, they found that playing video games can improve vision. This is because playing video games gives the users chance to improve their contrast sensitivity. Contrast sensitivity refers to how faded an object can be before it is impossible to differentiate it from the same field of view. It is something that is affected by ageing. Contrast sensitivity is particularly important for activities such as driving in poor visibility, like in fog or at night.
Finally let’s look at Ways to minimize damage to your eyes caused by computer screens, mobile phone or TV screens. There are several ways you can minimize the potential damage to your eyes caused by looking at screens. Firstly, it is important to set up your computer screen so that it is in the correct position in relation to your eyes. You can also minimize eye problems by simply blinking more frequently while looking at screens. People actually blink less when they look at a screens. Blinking is important as it washes your eyes in their naturally therapeutic fluids. It is also important to take breaks from looking at screens. It is recommended you take breaks from your screen altogether, in particular every 2 hours.

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