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What Causes Partial Loss Of Eyesight?

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Posted on Tue, 2 Aug 2016
Question: what could cause a 1min. partial loss of eyesight?
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Answered by Dr. Ronald Schubert (29 minutes later)
Brief Answer:
ophthalmological migaines or early TIA

Detailed Answer:
Thank you for contacting HCM with your health care concerns

I am sorry to hear that you had a problem with your vision. For 1 minute you had partial loss of vision. This maybe caused by what we call a ophthalmological migraine without headache. If your vision had a bright light that obscured your vision started small and then enlarged and vanaished that would be a Ophthalmological migraine. This is caused by a spasms of the arteries to the retina and mild ischemia. This may or may not be followed by a headache.

It could also be a TIA or a ministroke. If your vision just all of sudden changed then you may have had a TIA. This could be a harbinger to strokes later.

In either case I would recommend that you see your medical provider to get additional testing.

I hope I answered your question. Please contact us again if you have any additional questions
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Ronald Schubert

General & Family Physician

Practicing since :1984

Answered : 2407 Questions

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What Causes Partial Loss Of Eyesight?

Brief Answer: ophthalmological migaines or early TIA Detailed Answer: Thank you for contacting HCM with your health care concerns I am sorry to hear that you had a problem with your vision. For 1 minute you had partial loss of vision. This maybe caused by what we call a ophthalmological migraine without headache. If your vision had a bright light that obscured your vision started small and then enlarged and vanaished that would be a Ophthalmological migraine. This is caused by a spasms of the arteries to the retina and mild ischemia. This may or may not be followed by a headache. It could also be a TIA or a ministroke. If your vision just all of sudden changed then you may have had a TIA. This could be a harbinger to strokes later. In either case I would recommend that you see your medical provider to get additional testing. I hope I answered your question. Please contact us again if you have any additional questions