Sudden : Sudden onset of visual disturbance in one eye is a concerning problem that could indicate a number of serious problems involving the eye itself (including retinal artery occlusion, retinal vein occlusion, retinal detachment, and other problems) and problems involving the optic nerve (including ischemia or stroke in the nerve, or optic neuritis). These are serious problems that need to be checked as soon as possible to reduce the risk of permanent vision loss. If needed, go to the nearest emergency room.
Answered 4/4/2019
5.4k views
Get exam: The cause may be a simple as pressure placed on the eye during sleep distorting the cornea, however, so many other possibilities can cause the same symptoms that you need an exam to make sure your dot have a serious problem.
Answered 6/20/2018
5.3k views
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5 doctors weighed in across 3 answers
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