Many people notice floaters from time to time, especially with age. But sudden new floaters or flashes are different because they can sometimes signal a retinal tear or retinal detachment.
Definition
Floaters: Floaters are small dark spots or squiggly lines that seem to drift through your vision because they cast shadows on the retina. Source: National Eye Institute: Vitreous Detachment.
Key takeaways
- A few longstanding floaters are common, but a sudden jump in floaters or flashes needs same-day attention.
- New flashes, curtain-like shadows, or side-vision changes can point to a retinal tear or detachment.
- Fast evaluation matters because retinal detachment is a medical emergency.
Research-backed notes
Vitreous detachment usually happens after age 50, and it is very common in people over age 80.
Age-related changes are one reason floaters are common, but new symptoms still need a dilated exam.
National Eye Institute: Vitreous DetachmentA sudden increase in floaters is the most common symptom of vitreous detachment.
Because retinal tears can happen during that process, new symptoms should be checked right away rather than watched for days.
National Eye Institute: Vitreous DetachmentRetinal detachment is a medical emergency.
The combination of new floaters, flashes, or a curtain-like shadow deserves urgent care, not a wait-and-see plan.
National Eye Institute: Retinal DetachmentWhat floaters and flashes can feel like
Floaters may look like dots, strands, cobwebs, or squiggles drifting through vision. Flashes may look like brief lightning streaks or flickers of light, especially off to the side.
When symptoms need faster attention
Call right away if you suddenly notice a lot of new floaters, flashes, or a curtain-like shadow in your field of vision. Those symptoms can signal a retinal problem that needs urgent evaluation.
- A sudden increase in floaters
- Flashes of light
- A shadow or curtain over part of vision
- Blurred side vision that seems new
Why timing matters
Some floaters are benign, but a retinal tear or detachment is time-sensitive. Getting checked quickly can make a real difference in protecting vision.
Helpful external resources
Related care at Weber Eye Care
If this topic sounds familiar, learn more about urgent eye care.
Medical disclaimer
This information is for general educational purposes and is not a diagnosis. If you have sudden vision changes, eye pain, injury, flashes, floaters, or other urgent symptoms, call an eye care professional or seek emergency care.
When you want a real answer, come in.
If you notice sudden floaters, flashes, or a shadow in your vision, call Weber Eye Care at (801) 479-7850.