The Joy of Visual Perception A unique web reference with many topics that explore various types of visual perception. The website includes eye anatomy, optical illusions and the physiology of vision. Back to Top Click on any of the vocabulary words below to hear them pronounced and used in a sentence. Tending to move toward one point or to approach each other. To move or extend in different directions from a common point.
Light is bent back from the surface of an object to the eye, forming a reflection.
The sensory membrane that lines the eye is composed of several layers including one containing the rods and cones, and functions as the immediate instrument of vision by receiving the image formed by the lens and converting it into chemical and nervous signals that reach the brain by way of the optic nerve. At the back of the eyeball is a thin, delicate, light-sensitive membrane called the retina, which is connected to the brain by the optic nerve. Vocabulary Quiz Whiz Create a variety of interesting quizzes to test your students' word power. Puzzlemaker Send your students home with word searches, crossword puzzles and more. This tool will help you create unique puzzles using the vocabulary words from this lesson plan.