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Etiology - The main cause of floaters are age-related changes to the eye. However, they can also be a product of a more serious issue like eye inflammation or injury.
Symptoms - Specks in vision (often appear as spots or threadlike), shadowy vision, and appearance of grayish shapes.
Details - Floaters can range from tiny-to-large specks that drift across one's vision and are especially noticeable in well-lit, monochromatic backgrounds. They are produced by the vitreous (watery substance in the eye) and are composed of protein clumps. Oftentimes, the brain subconciously adjusts and learns to ignore their presence.
Treatment - Usually harmless, most floaters don't require treatment. However, some can be surgically removed, despite often being considered unnecessary and risky. Sometimes, though, the appearance of floaters may act as an underlying sign of a separate eye condition/injury.
How an afternoon sky-like background may appear to someone with floaters in present in their vision.
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