Yes, it is quite possible that urinary tract infection could lead to blurry vision. Blurred vision, as well asstomach pains, could all be the side effects of the urinary tract infection. There are several reasons that cause urinary tract infection including various kinds of bacteria. Therefore, accordingly there are correspondent antibiotics as treatments for urinary tract infection. The doctor may prescribed with those antibiotics for the most common bacterias, however, there is a possibility that it may be an uncommon bacterium which needs a different medication. You had better go to the doctor's for an eye examination as well as other relevant examinations. Among all the examinations, one can be culturing your urine and run the sensitivity tests no matter the dipstick comes out negative or positive. However, the blurry vision is as well a result of feeling very fatigued as well as foggy brained, which makes it more necessary for the patient to go to the doctor's for medical help. Pay attention to personal hygiene, change the underwear at least once a day. Take good rests and make the bed clean.