Slide show: Age-related vision problems
Photos depicting normal vision and vision with floaters
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Eye floaters look like black or gray specks, strings or cobwebs that drift about when you move your eyes.

Most eye floaters are harmless and don't require treatment. If you notice a sudden increase in the number of floaters — especially if they're accompanied by flashes of light or loss of your side vision — seek immediate medical attention. This might signal a retinal tear or retinal detachment.

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