You should just wrap your kids in bubble wrap, you freaking idiots...
http://casereports.bmj.com/content/2017/bcr-2017-220967.abstractSignificant Nerf gun ocular injuries are not reported in the literature, as far as we know. This case series serves to raise awareness of the seriousness of Nerf gun ocular injuries. It encourages further exploration of reasons for such injuries, as well as a review of protective measures against ocular trauma.
This is the kind of stuff we survived as kids..