India, Nov. 13 -- Vision-related problems are rising globally, affecting millions of all ages. The World Health Organization stated that 2.2 billion people around the world suffer from vision impairment. It shows the burden of vision-related problems on public health.

Moreover, eye strain has become a major health concern, especially with the pervasive use of digital devices, such as smartphones, computers, and tablets. In fact, a large portion of the waking hours is now spent staring at screens, working on laptops in the office, glancing at smaller screens, phone, during the commute, and finally ending the day in front of a larger screen, like watching TV at dinner.This constant exposure to screens can pave the way to several vision-rel...