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When I lay down in a almost dark room I see large round images

 
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  • Answered by:Dr. Rick
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Customer Question

When I lay down in a almost dark room I see large round images on the wall and ceiling. This has gone on for a month or so. And once in a while there are no images. for the last two nights they have become much darker and now towards morning there are smaller images that are red. Although it seems that I see them with my eyes, if I cover one eye and then the other, one that is not my the image stays the same with my dominate eye an moves with the other. since what I am seeing is not with my eyes, they must be seeing images with my brain.

 

Optional Information:
Person's Gender: Female
Person's Age: 83

Already Tried:
made an appointment with my surgeon for next Monday

Submitted: 294 days and 1 hours ago.
Category: Eye
Value: $38
Status: CLOSED
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Expert:  Dr. Rick replied 293 days and 22 hours ago.


Dr. Rick :

Hi. I'm online and happy to answer your question today.

Dr. Rick :

Hi. It sounds like what you are experiencing is something called entoptic phenomenon.

Dr. Rick :

These are images whose source is actually inside the eye itself. There are different manifestations of entoptical effects, depending on how they are generated. Blue field entoptic phenomenon looks like tiny bright dots, or bugs, moving along a wiggley racetrack. These are easier to see when looking at a uniformly lit area such as the blue sky, an illuminated wall in your home or a field of pure blue light. What you are actually seeing in this case are white blood cells racing through the capillaries in front of the macula, or central part, of your retina.

Dr. Rick :

The Purkinje tree is another example of an entoptic phenomenon. This is an image of your blood vessels, located above the retinal photoreceptors, inside your eye. It is best seen by shining a small bright light against your closed eyelids, against your eyeball, or obliquely through your pupil, and wiggling the light quickly back and forth. You may have experienced this image when being examined by your ophthalmologist with the bright light she has on her head. You don't normally see this image as your retina is adapted to the shadow they cast however, when you shine the light from the side, the adaptation is defeated and you see the vessels.

Dr. Rick :

They can also show up, as in your case, looking like blobs, circles, or spots of different colors. Red is very common.

Dr. Rick :

This is not a sign of anything serious going on. That being said, I agree with your plan to see an ophthalmologist for a complete exam just to make sure everything else is OK.

Dr. Rick :

Does this make sense to you?

Dr. Rick :

Please remember the top 3 ratings are positives [great service is my goal] and this is how we are compensated. Rate my answer when you are satisfied. If you feel the need to rate low, please stop and reply to me via the REPLY TO EXPERT button with the issue you have. I will be happy to continue further and do everything I can to provide you with the service you seek.

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Let me know if you have further questions.

Dr. Rick :

I see that you are offline. I'll switch over to the Q&A system. This system works a lot like 'text messaging' but an email is sent to each of us anytime something is posted to this thread. We can continue to work on your question there..... :)

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Expert:  Dr. Rick replied 293 days and 22 hours ago.

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Expert:  Dr. Rick replied 293 days and 22 hours ago.

Have a good day :)

Expert TypeBoard Certified MD
Category: Eye
Pos. Feedback: 96.7 %
Accepts: 4098
Answered: 6/27/2012

Experience: Ophthalmology since 1994 with Retina sub-specialty interest

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