There’s no doubt that our digital devices make everyday tasks a little easier. (Seriously, how did I ever live without online grocery shopping?)

Yet we’re also starting to realize that our near constant use of phones, tablets and laptops may impact our health.

Spending more time on screens strains on our eyes, often without us even knowing it, says Dr. Chad Overman, director of vision benefits with Delta Dental of Iowa.

Overman notes that optometrists are seeing more patients with near-sightedness and dry eye.

“(Screentime) is causing a...