Thursday 28 February 2019

Beware mobile users!


Beware mobile users!!!
In this era of the digital world, the biggest question concerning our eyes is, “Will extensive use of mobile phones affect my eyes?” and the answer is “YES!” While mobile companies have been working really hard to market new models that have a better display, large screen, blue light filter, antireflection screens, etc., it becomes rather confusing to decide if or not to use mobile phones. A while ago, people were concerned about the radiations that affect one’s health with messages traveling across the globe about how we are not supposed to put our cell phones in our shirt pocket that would affect our heart and not place it next to our pillow while we sleep that would cause sleep disturbances or brain cancer. However, presently with the global increase in the number of people wearing glasses, it has become an utmost need of the hour to spread awareness about the proper use of mobile phones. The following points have to be kept in mind while using mobile phones.
1.       Distance – Longer the distance, lesser the eye strains. Ideally, it should be placed at a distance of more than 40 cms from the face
2.       Duration – Longer the duration greater the eye hurts and results in eye strain followed by a spasm of eye muscles.  This will result in visual disturbances during near work. Take at least a 30-seconds breaks for every half an hour by looking at something far distance
3.       Position – Never bend too much while looking at the phone; especially avoid looking at it while lying on your belly. By doing so you not only strain your neck but also give way to increase in refractive error
4.       Blinking – It is important to blink your eyes frequently so that there is an equal distribution of tears on your eyes. Normally we should blink at least 10-12 times in a minute but when we are engrossed in an activity that requires more concentration, we forget to blink. This results in the evaporation of tears resulting in dry eyes. Dry-eyes cause a burning sensation, increased tearing, itching and irritation. Prolonged dry eyes will damage the cornea and hence will affect vision.
5.       Font size – Always make sure you are able to read the font without any extra effort at a distance of 40 cms. If not increase the font size such that it is readable at that distance.
6.       Brightness – Make sure the auto-brightness adjustment is enabled on your phone. This ensures the brightness is optimum with respect to the surrounding light.
7.       Blue light filter Make sure the blue light filter is on. Those who use mobile phones for prolonged periods and are experiencing eye strain will be able to appreciate instant relief when they activate this filter. Apart from eye strain, increased exposure to blue light is known to affect ganglion cells on the retina that would allow age-related retinal degeneration to set in at a much younger age. If the phone does not have a blue light filter feature, the same effect can be made by using special glasses that filter blue light.
8.       Surrounding light – Many people have a habit of looking at their mobiles during night hours with the room lights off with a good intention of not disturbing others who are sleeping in the room. However, this practice is not ideal as this does not allow the diffusing of blue light resulting in the harmful effects of blue light exposure.