'Your optometrist may use drops to dilate this circular opening in the center of the iris'
the pupil
GOING TO THE DOCTOR: Your optometrist may use drops to dilate this circular opening in the center of the iris
Your optometrist may use drops to dilate this circular opening in the center of the iris
Your optometrist may use drops to dilate this circular opening in the center of the iris
GOING TO THE DOCTOR
the pupil
GOING TO THE DOCTOR