Gaze refers to the combination of where your eyes are pointed and how your head is positioned. Saccades (suh-KODS) are short, jerky movements made by both eyes, which change the direction of the gaze from one location to another. To compensate for the limited size of the fovea, we make many fast eye movements called saccades. The problem is that our attention is often caught by something in our periphery, and the fovea cannot be focused on more than one area at a time. But there is a problem with this arrangement! Because the fovea is very small, it can only send the brain information about a limited area of the world. The way that cones are arranged in the fovea explains why the center of our vision is the clearest. The areas further away from the fovea have fewer cones. The fovea is a small space on the center of the retina where there are many cones packed closely together. Cones are photoreceptors that carry information about color and support very clear vision in brightly lit environments. Rods are photoreceptors that are sensitive to low levels of light and allow us to see our surroundings even when the environment is relatively dark. The fovea is a small area at the center of the retina where there are many special cells called cones that help you see clearly. The lens then focuses the light on the retina as it passes through the inner section of the eye called the vitreous chamber.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |