Yes it can cause dizziness and blurred vision. Many times, high blood sugar can cause this. As well as low blood sugar.
damn i had for 10 days vertigo and blurred vision i thought from my research that am having Meniere's Disease-the simptome of this disease is vertigo,dizzines,blurred vision,lost equillibrium
they say it can be from lack of nutrients(i was on diet when this happened,very reduced diet),high sodium diet which i ate,aspartame which i drink from diet sodas for 8 years