When the blood sugar gets better, your vision can actually get better or worse - the bottom line is that it changes. Now we really don't know how your blood sugar is doing - so it is very important to have a testing device at home and your insurance plan should pay for one. Talk to your doctor. Strictly follow all your doctor's instructions. Make sure you have a nutritionist help you with proper diet and see an ophthalmologist right away to see how the eyes are doing.
Keep your HbA1c below 7% and, preferably, lower than 6.5%. Many studies have shown that if you can do this, the chances of macro and microvascular (i.e. retinopathy) complications are massively reduced. These are the ADA guidelines and you should watch out as there is some talk that they may be lowering these values further.