Easily. Since there is no actual treatment for floaters, then naturopathic remedies, offering no treatment anyway, can be used with no risk. If you have had the sudden onset of floaters you need your eyes evaluated by an ophthalmologist who can rule out any serious problem and discuss the prognosis of the floaters with you.
Not sure. Not sure of naturopathically. With time most resolve or become asymptomatic. Recommended to wait one year then consider vitrectomy if symptoms are bad enough.