Are eye floaters generally a signal of a serious eye problem? do they go away after some time? do they cause harm? recently seeing more than usual.

Possibly: Eye floaters may be benign. If they do not go away, then you should consider an opthamological examination.Eye floaters are small moving spots that appear in your field of vision. They may be especially noticeable when you look at something bright, such as white paper or a blue sky. Eye floaters can be annoying, but they generally don't interfere with your sight.