Well, I mean, does your work involve lifting heavy things? Or you just occasionally lift things. As a matter of fact, if a person continually lift heavy things from time to time, there is possibility that he might develop eye floaters. Because excessive labor work, plus insufficient rest, will give rise to physical disorders, which are likely to cause eye floaters. Generally speaking, eye floaters is a sign of your health condition, if you find yourself with eye floaters, you really have to do something about it, better yet, go to see a doctor. Best wishes.