My fathers age is 70 years and for the last 3days he is suffering from double vision, if he close one of the eyes it is fine but with two eyes open he senses double vision..he is having sugar of 390 random sugar ..as per doctor advise, he is taking insulin for the last 3days of 16 points in the morning and night..we are worried if he reagains the normal vision..as per local eye doctor, eyes looks fine..any suggestions how long it will take to come back to normal vision..or any tests to be done also he has some urine infection of 12-14 puss cells, 4-6 RBC,3-5 epcells..serum creatine of 1.4