The tiny specks or “floaters” that drift across one’s field of vision are usually harmless and often disappear or become less noticeable on their own. They are pieces of debris from the vitreous that block the light shining onto the retina. If the vitreous detaches, it may cause a retinal tear or detachment, which can lead to vision loss. Symptoms of a retinal tear or detachment include a sudden shower of floaters and also the sense of flashing lights. It requires immediate attention. The fix is usually laser surgery.
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