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Flashes and Floaters

What are Floaters?

You may sometimes see small specks or clouds moving in your field of vision.  These are called floaters.  You can often see them when looking at a plain background, like a blank wall or blue sky.

Floaters are actually tiny clumps of gel or cells inside the vitreous, the clear gel-like fluid that fills the inside of your eye. While these object look like they are in front of the eye, they are actually floating inside it.  What you see are the shadows they cast on the retina, the layer of cells lining the back of the that senses light and allows you to see.

Floaters can appear as different shapes, such as little dots, circles, lines, clouds, or cobwebs.

What Causes Floaters?

When people reach middle age, the vitreous gel may start to thicken or shrink, forming clumps or strands inside the eye.  The vitreous gel pulls away from the back wall of the eye, causing a posterior vitreous detachment.  This is a common cause of floaters.

Posterior vitreous detachment is more common in people who:

  • Are nearsighted
  • Have undergone cataract operations
  • Have had YAG laser surgery of the eye
  • Have had inflammation inside the eye

The appearance of floaters may be alarming, especially if they develop suddenly.  You should contact your ophthalmologist at Laconia Eye & Laser Center right away if you develop new floaters, especially if you are over 45 years of age.

Are Floaters Ever Serious?

The retina can tear if the shrinking vitreous gets pulled away from the wall of the eye.  This sometimes causes a s amount of bleeding in the eye that may appear as new floaters.

A torn retina is always a serious problem, since it can lead to a retinal detachment.  You should see your ophthalmologist as soon as possible of:

  • Even one new floater appears suddenly
  • You see sudden flashes of light

If you notice other symptoms, like the loss of side vision, you should see your ophthalmologist.

Can Floaters be Removed?

Floaters may be a symptom of a tear in the retina, which is a serious problem.  If a retinal tear is not treated, the retina may detach from the back of the.  The only treatment for a detached retina is surgery.

Other floaters are harmless and fade over time or become less bothersome, requiring no treatment.  Surgery t remove floaters is almost never required.  Vitamin therapy will not cause floaters to disappear.

Even if you have had floaters fir years, you should schedule an eye examination at Laconia Eye & Laser Center if you suddenly notice new ones.

What Causes Flashing Lights?

When the vitreous gel rubs or pulls on the retina, you may see what look like flashing lights or lightning streaks.  You may have experienced the same sensation if you have ever been hit in the eye or seen "stars."

The flashes of light can appear off and on for several weeks or months.  As we grow older, it is more common to experience flashes.  If you notice a sudden appearance of light flashes, you should contact your ophthalmologist immediately in case the retina has be

Information courtesy of the American Academy of Ophthalmology