Of course it may make the floaters more badly. The floaters may point out such kinds of disease, retinal tear and amotio retinae, vitreous hemorrhage, and uveitis. Among them, the diabetes and high blood pressure will cause intraocular hemorrhage, the blood once get into vitreous body, the floaters will present, and it will lead to decrease of vision. Under such circumstance, the tiny blood would be cure by hemostatics, and the laser and surgery would be adopted to cure the serious ones. Just from your words, it is hard to find the details of your cause of the floaters, but the eyes fatigue will heavy the burden of your eyes and your disease. Why not go to doctor first instead of hard work of eyes strain. You know the health is the most important thing for you. Some eyes disease is irreversible. If the treatments delay, the regret will be late!