
Eye floaters are common and affect about 70% of people. They appear as black or gray specks, strings, or cobwebs that drift across your field of vision. Floaters are typically caused by age-related changes in the vitreous, the jelly-like substance inside the eye. As we age, the collagen fibers in the vitreous shrink and clump together, creating tiny shadows on the retina that we perceive as floaters.
In most cases, floaters are harmless and don’t affect vision, especially if they’ve been present for a long time and aren’t worsening. However, they can be more common in those who are nearsighted or have had cataract surgery.
In rare cases, floaters could signal serious eye conditions like diabetic retinopathy, eye injury, or eye disease. If you suddenly experience an increase in floaters or flashes of light, or notice a shadow moving across your vision, seek medical attention immediately.
To reduce the annoyance of floaters, experts recommend shifting your eyes up and down, as well as maintaining good eye health through diet and supplements.