- Long-standing unchanged floaters are different from a sudden burst of new ones.
- Flashes plus a new field defect or “curtain” are urgent.
- High myopia, eye injury or previous eye surgery can increase retinal risk.
Why this deserves attention
Small moving spots or threads in vision are called floaters and become more common with age. Many are harmless. The pattern changes urgency: a sudden shower of new floaters, flashes of light or a dark curtain/shadow across vision can occur with a retinal tear or detachment and needs prompt eye assessment.
What makes it more important
Do not rub or massage the eye to try to move floaters away. If symptoms are new, note which eye is affected and when they began. An eye specialist can dilate the pupil to examine the retina.
What to do next
Routine eye checks remain useful for people with diabetes, high myopia and other risk factors even without symptoms. But sudden flashes/floaters require a symptom-based eye review rather than waiting for a routine screening date.
Where TCM may fit
TCM treatment cannot confirm that the retina is attached. Acupuncture around the head/face should not delay urgent ophthalmology when retinal warning signs appear.
When not to wait
Seek urgent eye assessment for sudden many new floaters, flashes, a curtain/shadow, new missing area of vision or sudden visual loss.
Related reading and Singapore resources
This page provides general health education, not an individual diagnosis or emergency plan. Sudden, severe, persistent or rapidly worsening symptoms — especially red flags — require appropriate conventional medical assessment.