Male voice over. Close-up of a blue eye. Extreme close-up and information about the “cornea” is spoken. Side view of a cornea shaped lens. A #1 is projected through the lens and is inverted on a screen. “Iris” under another close-up of the eye. Close-up a brown and green eye. A Doctor and patient in a darkened room with a red light. Doctor passes a beam of light in front of and away from the patient's eye. Close-up of pupil expanding and contracting.