No: Sudden blur can result from migraine headaches, momentary low blood pressure, high blood pressure, or other causes. If such episodes recur they need prompt medical evaluation but do not necessarily represent risk of permanent vision loss.
Answered 8/20/2011
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Blurry vision: It depends. There are many causes of blurry vision, such as low blood sugar, migraine headache, strokes, eye injury, etc. Most of these causes do not necessarily lead to blindness. If your vision is blurry and you do not know why, call your local ophthalmologist for help...
Answered 12/9/2013
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