Eye floaters are tiny specks, spots, or thread-like shapes that drift across your vision and often appear when looking at bright backgrounds like a clear sky or a white wall. They are usually caused by age-related changes in the vitreous, the gel-like substance inside the eye, which becomes more liquid over time and forms microscopic clumps that cast shadows on the retina.

While most floaters are harmless, they can also be linked to conditions such as nearsightedness, diabetes, previous eye surgery like cataract removal, or eye injuries. In many cases, no treatment is required because the brain gradually adapts and learns to ignore them, but it is very important to recognize warning signs that require urgent medical care.

You should contact an eye doctor immediately if you notice a sudden increase in floaters, flashes of light, or a dark curtain-like shadow in your vision, as these can indicate a retinal tear or detachment, which is an emergency that can lead to permanent vision loss. For severe cases where floaters significantly interfere with daily activities, treatments such as vitrectomy (a surgical removal of the vitreous) or laser therapy may be considered, although they are rarely recommended due to potential risks.

To manage floaters and support long-term eye health, you can try moving your eyes gently to shift floaters away from your central vision, eat a nutrient-rich diet with omega-3 fatty acids, vitamin A, vitamin C, and zinc, avoid smoking, and schedule regular eye exams, especially if you are over 40 or have underlying conditions like diabetes or high myopia. In summary, eye floaters are generally a normal part of aging, but staying alert to sudden changes and seeking prompt medical help when needed is the best way to protect your eyesight and prevent serious complications.