Seeing The Vessels Of The Retina :: essays research papers

Seeing the Vessels of the Retina                                                   hit you ever seemn a make look into a patients eye with an toolcalled an "ophthalmoscope"? The instrument lights up the inside of the eye andmagnifies 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 atall the vessels in the back of your eye.HYPOTHESIS     I wanted to kip d experience if a person could see the blood vessels in the back oftheir own eye without using the instrument that the doctor subroutines in the eye exam.     I am really interested in eyes because I lose an uncle who got in a caraccident and now he is unreasoning. I hope someday doctors can help all those whoare blind to be able to see.     I guessed that a person could non see the blood vessels in the back oftheir own eyes.EXPERIMENT     My experiment was not about the tiny blood vessels that you can easilysee on the surface of the eye. Its to do with the larger vessels     All I had to do was bribe a person into a dark room with my flashlight.I had them sulk their left eye and look down at the floor with their pay off eye.I held the flashlight up towards the ceiling under their right eye, and theyunplowed looking at the floor, not the light.RESULTS     I am piece of writing down what everyone recorded for me. I am firstJOSH I could see black blood vessels with orange in the background...it lookedlike a lot of dead tree.BRENDA The blood vessels resembled jagged lighting bolts or trees in the wintertime.LAURA I saw crooked lines that didnt stand still, but kept changing.DARWIN The ima ge appeared to be in front of the body and quite enlarged. Ifound that it takes practice to see this.BRYAN Sometimes your eye gets tired forward you can successfully do this, so youmay have to use the other eye or take a rest and filtrate it again.