Well, yes, eye trauma can lead to eye floaters in some degree. Eye trauma can lead to cataracts. And it can be annoying to have them. Floaters are basically little blobs of protein that float through the hollow sphere which is filled with a thick, gel like fluid known as the vitreous humour. For the treatments, you should take some ways to protect your eyes from further injury. Also, you should know that proper nutrition can prevent new eye floaters. So you can eat as many water and vitamin rich vegetables as possible. Also, trying some ways to make your eyes have enough breath is also effective. Anyway, you can just have a try.