At this point in time, there is not sufficient evidence to prove that there are any direct long-term harmful effects of smartphone usage on eyesight. However, there are three concerns at this point of time Computer vision syndrome Blue light Myopia in children Computer vision syndrome (CVS) About two decades ago at the start of the IT/services revolution many IT professionals who spent long hours in front of their desktops suffered from a type of occupational dry eye called Computer Vision Syndrome. In today's age, this syndrome has come to encompass many urban dwellers including people whose profession has nothing to do with computers. It is no more an occupational condition.

Even children as young as 5-7 years of age are suffering from CVS. This has been the direct effect of smartphones and tablets in our daily lives and is cause for concern. Staring at bright screens causes you to…