Sheep Eye Dissection

Once light enters the eye through the pupil, the light passes through the lens. The lens changes shape to bend rays and correct angles to focuses the light on the retina. Then, the light lands on the retina, which is located at the back of the eye and is covered in photoreceptors. The photoreceptors sense the different wavelengths of light that are present and convert them into electrical signals. The optic nerve detects these signals and sends them to the brain.

In the dissection we did (depicted in the picture below), we were able to locate all of the structures depicted in the diagram above very clearly in order to understand the path that light takes as it moves through the eye and to the brain.