Harvard Health Letter

Specks in your vision can signal serious eye conditions

The tiny specks or “floaters” that drift across one’s field of vision are usually harmless and often disappear or become less noticeable on their own. They are pieces of debris from the vitreous that block the light shining onto the retina. If the vitreous detaches, it may cause a retinal tear or detachment, which can lead to vision loss. Symptoms of a retinal tear or detachment include a sudden shower of floaters and also the sense of flashing lights. It requires immediate attention. The fix is usually laser surgery.
To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »