Of course, it does affect peripheral vision. Peripheral vision is a large field of vision besides of central vision. Having some problem with peripheral vision, you might feel that you are looking everything through a tunnel, which is exactly the name of tunnel vision implied. Trauma on eyes could definitely cause peripheral vision problem. Trauma on eyes might cause retinal detachment, which is a direct cause to tunnel vision. Trauma on eyes might cause some other conditions which are triggers to tunnel vision too, for example, eye stroke, retinal detachment and concussions. Peripheral vision loss gives patient bad direct and guide. There is no cure for permanent peripheral vision loss. Once you found any symptoms like it, you should tell your ophthalmologist about what you are going through, and get professional suggestion and help to prevent it permanent.