Method Of Exam

• By confrontation
  • Position yourself in front of the patient.
  • The nose normally cuts off the medial field of vision.
  • Hence, compare the patient's right eye to your left eye and vice versa.
  • Instruct the patient to look straight at you and not to move their eyes.
  • Compare your field of vision with the subject's.
  • Bring your finger from the right field of vision until it is recognized.
  • Test one quadrant at a time.
  • Wiggle your fingers to see whether the patient can recognize the movement.
  • Some like to have the patient count fingers, i.e., 1, 2 or 5.
  • Test all four quadrants in a similar fashion.
  • When abnormality is detected , would require automated methods of testing in the lab

Normal:

1. Assuming the examiner has normal field of vision, patient should have the same extent of field of vision.