OnExam


  • Ask the patient to look at an object at the end of the room
  • Cover the patient’s left eye with your right hand watching for movement in the uncovered right eye to take up fixation
  • Uncover the left eye
  • Cover the right eye with your left hand watching for movement in the uncovered left eye to take up fixation
  • If there is fixation movement, the patient has heterotopia (strabismus)