Is there is…?

or is there ain’t Computer Vision Syndrome…

It actually all depends on who you speak to and how long they have had to or how well they have visually adapted to using and operating display screen equipment, how long and/or often, they are on screen, in a typical day including outside of work hours, and whether or not they are off-screen at least an hour or two before, not just going to bed but, going to sleep.
Like many other conditions, mostly with names ending in an ‘ia’ and, that are, more or less by and large “subjectively” reported, there are as many opinions as there are professional, academic and/or self-proclaimed experts on the subject either for or against “ it “.