Which is clearer, 1 or 2? 2 or 3? These repetitive but important questions help your optometrist pinpoint your exact prescription. And the device used is called a PHOROPTER.
If you don’t know your vision acuity, it’s probably time for a visit:http://bit.ly/1fWONLk
Eye exams available by Independent Doctors of Optometry at or next to Pearle Vision in most states. Doctors in some states are employed by Pearle Vision.