clomid for sale See your physician if you have blurry vision for more than 2 days, sudden lack of vision in 1 or Low Blood Sugar Levels low blood sugar s seizures each eyes, black or shifting grey spots typically referred to as floaters, flashing lights, or pain or stress in your eyes You might not know in case your blood sugar is simply too high unless you test it yourself However, you might experience common signs such as frequent urination, excessive thirst, blurry vision, and feeling drained Some elements unrelated to food can make your blood sugar excessive