Why shooting too much rounds using a sniper rifle could cause bleeding and retinal detachment?

Question

I’ve just watched an army documentary and they mentioned that the elite snipers in the army weren’t allowed to shoot more than 60 rounds a day, otherwise it could cause them to have bleeding and retinal detachment.

ELI5 please

In: Biology

Answer 1

Inertia. The recoil throws your body backwards, and the push starts at your shoulder. Your shoulder is moving backwards, and pulling the rest of your body with it. Your retina has mass, and thereby takes time to ‘catch up’ with the rest of your eye/body. That stress can eventually break the link between your retina, and the rest of you.