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Double vision in left eye after falling unconscious. CT scan normal. Reason?

Nov 2013
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last week i fell down unconcious and am having double vision since then in my left eye . Ct scan is OK. What can be reason?
Posted Fri, 7 Sep 2012 in Brain and Spine
Answered by Dr. Sudhir Kumar 1 hour later
Thank you for contacting Healthcare Magic.
Loss of consciousness and double vision indicate a problem with brain functions. The most likely reason could be a lacunar infarct (small blood clot) of brain stem. Since the nerves for eye movements begin in the brain stem (mid brain part), any lack of blood supply there could lead to diplopia. In addition, other symptoms could include dizziness, imbalance while walking, etc.
CT scan may be normal as the resolution is not very good with it. On the other hand, MRI scan of the brain may show the disease.
Please show to a neurologist for further evaluation. Please get back if you have any more queries.
Best wishes,
Dr Sudhir Kumar MD DM (Neurology) XXXXXXX Consultant Neurologist
Apollo Health City, Hyderabad
Above answer was peer-reviewed by
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