It is true that if your visual nerves are pinched or impaired, your vision could be greatly affected, even make you blind. So, we must try to protect our eyes as much as possible. Because it is our visual nerves that make us see , if they have a problem, we might suffer blindness. If anything bad happens to your visual nerve, try to visit a professional hospital.
Yes, it is true that pinched nerve can affect your vision. As we know, the nerves in the body are interlinked. You could find that the nerves in the eyes will be affected by the pinched nerve. Your vision will get blurry. Thus you'd better protect your eyes carefully from the life diet and habit of using eyes.