Well, generally speaking, it is normal to have blurred vision after you have eye exam. and according to some experts, it can be because of the eye strain you have got when you are in the eye exam. first, you should know that when you have an eye exam, it will make your eyes focus on the points for a long time. in that way, the doctor can make the light go through your eyes to check it. in the end, it can lead eye strain and eye pressure. As we know that eye pressure can lead to a lot of eye problems such as dry eyes, even blurred eyes. and in common, maybe it can be fine in a few days. So you should not worry about it.