Tuesday, March 27, 2012

I see black dots in my vision, what's up with that?

Floaters!  That's the term we use to describe these strange spots we see in the visual field.  Often times they are shaped like transparent worms, like cells we've seen in biology class, or cobwebs floating around in a slow rhythmic motion.  They seem to appear more readily in blank monochromatic (one color) backgrounds.  For instance when you stare into a cloudy sky, a white ceiling or maybe even your bathroom tiles they will appear.  Try it at home, I bet you'll see tons and never be able to ignore their existence ever again.  As common as they are (seen eventually by 100% of patients before age 70), they are mostly completely harmless.

The vitreous humor (the fluid inside the eye that helps keep the shape of the eye, nutritious too) is mostly transparent when we are born.  As we age that gelatin changes biological properties, becoming a bit more liquefied and creating collagen structures that are visible and no longer transparent.  Those strings of collagen will cast shadows on the retina (sensory tissue lining the inside of the eye (film in the camera), very important) and allow your eyes to perceive images that are oddly shaped.  Therefore the concern shouldn't be too high.  

Still as with everything we've discussed, certain floaters aren't normal and may be caused by injuries, rubbing the eyes too much, or inflammation/infections.  They are usually abundant, darker and may be seen with flashes of light (that light will be seen for more then 3-5 minutes...it's not subtle).  This is the point where you don't wait, you go to an eye care professional to ask about those extra floaters or possible flashes as soon as possible.  This could be a more serious, vision threatening issue...stead fast attention is needed in this scenario.  If you're still unsure about which you may experience, please email me.

See and Be Seen! at Eyed LA Optometry in Brentwood, West Los Angeles
www.eyedla.com!

4 comments:

  1. Very good post, doc!- MM

    ReplyDelete
  2. I had a nasty concussion once and experienced "floaters" for days.
    Thanks for posting!

    ReplyDelete
  3. Floaters can be very annoying to deal with, thanks for the information

    ReplyDelete
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