Depends: A common source of such phenomena is alterations in the health and architecture of the macula, the area of central sharp vision. This can last a long time. Temporary changes can occur due to migraines and vascular changes. There are many other causes so if this is occurring, see your ophthalmologist for diagnosis.
Answered 6/17/2016
5.6k views
Retinal issue: Your description is most consistent with a retinal problem. You need to see any eye doctor as soon as possible. This could be a sign of diabetic changes, macular degeneration, etc.
Answered 7/26/2016
5.6k views
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A doctor has provided 1 answer
A doctor has provided 1 answer
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