2. Double vision
The clinical name is diplopia, and in these cases, you get overlapping images in your visual field instead of seeing clear borders. Similar to a blurry vision, you may experience temporary double vision in some instances, as in extreme tiredness or after consuming too much alcohol. However, double vision may be a sign of specific eye problems, as in cataracts and dry eye syndrome. In some cases, cranial nerve palsies may also cause double vision because it affects normal movement of muscles that control your eyes.