Part 1 of Essay
Have you ever seen a doctor look into a patient's eye with an instrument called an "ophthalmoscope"? The instrument lights up the inside of the eye and magnifies the vessels of the retina in the rear of the eye. This gives the doctor an idea about how healthy you are as he looks at all the vessels in the back of your ey ....

Part 2 of Essay
.... them cover their left eye and look down at the floor with their right eye. I held the flashlight up towards the ceiling under their right eye, but they kept looking at the floor, not the light. RESULTS I am writing down what everyone recorded for me. I am first: JOSH: I could see black blood vessels with orange in the background...it looked like a lot of dead tree. BRENDA: The blood vessels resembled jagged lighting bolts or trees in the winter time. LAURA: I saw crooked lines that didn't stand still, but k ....