Depends on Timing
If your vision
has gradually changed over the course of months or years, you can make an appointment with your primary care physician or an opthalmologist.
If your vision has blurred suddenly over the course of a few hours or even days, there may be an underlying cause that should be urgently managed. If you cannot get in to see your primary care doctor immediately, go to urgent care
or the er.
Answer assisted by Brian Fishman, Medical Student