Floaters Are Caused by Vitreous Fluid Changes and Collagen Threads
Floaters are any little, moving objects that appear in your field of view but aren't actually there. They may occur as a result of eye-rubbing, head trauma, or for no apparent reason at all. Most people experience intermittent floaters, which frequently don't require medical attention. However, floaters occasionally may indicate a more serious eye problem. It is crucial to inform your eye doctor if new floaters arise abruptly and persist in your vision.
Your eye's vitreous fluid fills the interior space. The border between the two can occasionally be seen as a floater because there may be pockets of thinner liquid in thicker gel. But collagen fibers could also be visible. These can become more noticeable as you age because they get thicker and denser.
These fibers can also group and enlarge to the point where they are noticeable. You mistakenly think they are floaters, but they are actually shadows they cast. Although they are mostly benign, you should see an eye doctor if they start to appear frequently.