Why do strange shapes drift across your field of vision?
In short: If you have ever seen cobwebs or spots dancing in your sight while looking at a bright blue sky, you have experienced eye floaters. This video explains the physical reality behind these moving shapes.
Eye floaters are not optical illusions, but actual physical objects your eyes perceive. They often manifest as spots, stringy objects, or cobweb-like shapes. In most instances, these floaters are caused by fragments of the vitreous—the gel-like substance in the back of the eye—breaking off and drifting within the eyeball.
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Sources
- Summary by Intellect · source: What Causes “Eye Floaters?
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