Those filaments in your vision: when should you worry? A specialist answers.

Those small, moving shadows that sometimes cross your field of vision have a name: floaters. Although generally benign, their sudden or repeated appearance can signal an eye problem. Dr. Daniel Polya sheds light on these phenomena and the signs that should alert you.
Understanding eye floaters.
Illustration of floaters in the eye.

Floaters, those tiny particles that seem to dance in our field of vision, result from the thickening of collagen fibers within the vitreous humor, the gel-like substance that makes up most of the eyeball. As we age, these fibers can clump together, creating shadows that are projected onto the retina. These phenomena become particularly visible when we stare at a uniformly bright surface or a clear sky, where they appear as filaments or moving dots.

When should you be concerned about these visual particles?
Eye with vision problems

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