Floaters in eyes is generally related to jelly like structure called vitreous inside the eye, close to retina. It can be physiological due to normal changes in the vitreous, but sometimes it can be pathological too, that might lead to further complications.
Next Steps
You need a dilated evaluation to know its cause. Consult an ophthalmologist in person for the same.
Health Tips
It shouldnot be ignored, get it checked once to rule out any cause for it.