Starting around our 50s, many of us begin to notice strange little shapes drifting across our field of vision. They look like tiny cobwebs, specks, or even little transparent worms that seem to dart away whenever we try to look directly at them. If you’ve ever found yourself swatting at a fly that wasn’t there, you’ve likely experienced what we call “floaters.” While they can be annoying and even a bit startling at first, they are usually a natural part of the aging process.
What causes these spots?
Inside our eyes, there is a jelly-like substance called the vitreous. As we get older, this substance starts to slowly liquefy and shrink. When it shrinks, tiny fibers within the vitreous clump together. These clumps cast shadows on your retina, which is what you see as floaters. They are most noticeable when you look at something plain and bright, like a white wall or a clear blue sky on a sunny afternoon.
When should you be worried?
For most of us, floaters are just a nuisance. However, there are times when they signal something more serious, like a retinal tear or detachment. You should contact an eye specialist immediately if you notice a sudden, dramatic increase in the number of floaters you see. Another warning sign is seeing flashes of light in the same eye as the floaters. If you notice a dark shadow or a “curtain” moving across your side vision, that is also a medical emergency that requires a prompt exam.
Managing eye health daily
While you can’t necessarily “get rid” of floaters without surgery—which is rarely recommended unless vision is severely impaired—you can support your overall eye health to keep things functioning well.
- Stay Hydrated: The vitreous is mostly water. Chronic dehydration can affect the consistency of the eye’s internal fluids over time.
- Proper Lighting: Using soft, diffused light can make floaters less noticeable when reading or working on a computer. Harsh glares tend to make them stand out more.
- Regular Exams: Seeing an ophthalmologist once a year is crucial once you hit 50. They can check the health of your retina and ensure those spots aren’t masking a deeper issue like high eye pressure or macular changes.
- Nutrition: Focus on antioxidants. Lutein, zeaxanthin, and vitamins C and E are essential for maintaining the integrity of the eye’s tissues. Many people find that specific eye-focused supplements help bridge the gap if they aren’t getting enough leafy greens like kale or spinach in their daily meals.
Most people find that their brain eventually learns to “ignore” the floaters. They don’t actually go away, but they settle at the bottom of the eye or the brain simply stops processing the shadow. It’s a bit like how you don’t constantly notice the frames of your glasses once you’ve worn them for a while. If you are noticing new shapes, don’t panic, but do get them checked out to be safe.