Are there blood vessels in the eye

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Turn off the lights and close the shades, if possible. Dim light or ambient light is fine. In one hand hold the black sheet of construction paper in front of your face so that the paper fills your field of view.

Be careful not to poke yourself in the eye! Do not move your eye or follow the motion of the light. Keep doing this for 20 seconds. Notice the pattern that appears. It will look like the branches of a tree or the branching of a river viewed from high above. You can use a dim point of light to cast a shadow of the blood supply of your retina. This will allow you to see the blood supply of your retina, and even your blind spot.

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Common Health Topics. Biology of the Eyes. Test your knowledge. Patients with bulging eyes have eyes that protrude further from their sockets than normal, causing a wide-eyed appearance.