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Grid in vision
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An_255151 posted:
On numerous occasions over the past year my 80 year old aunt has had a "colored grid" show up in her line of vision of only her left eye. She can still see through that eye and there is no pain. The grid is sometimes red and green and other times duller in color, blues and grays. It will last for 15 to 20 minutes and then go away. Her eye doctor said it could be stress related (we don't think so) or have to do with a blockage in her carotid artery. She's had 2 ultrasounds on her carotid arteries and seen a vascular surgeon who said the blockages aren't enough to warrant surgery and doesn't think the grid is symptomatic of the blockages. Where do we go from here? He didn't really offer any suggestions, although he is supposed to talk to her eye doctor.
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Alan M Kozarsky, MD responded:
The fact that these visual problems occur for a very short time and go away completely suggests that there is nothing "structurally" wrong with the eye.

The doctor is correct to consider circulation to the eye (which does come through the carotid artery) and should probably take a look at your aunt's medication list. This could be a migraine type issue even without a headache. Are there any medications which were started at about the time these issues began? This could be a medication side effect.

If the issue continues she might get the most definitive answer by visiting a neuro-ophthalmologist. You can go to www.AAO.org and under "Find an Eye MD" search for a neuro-ophthalmologist close to you.


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