Sometimes, against a uniform, bright background such as a clear sky or a blank computer screen, you might see things floating across your field of vision. What are these moving objects, and how are you seeing them? This video explains...

The human eye is an amazing mechanism, able to detect anywhere from a few photons to a few quadrillion, or switch focus from the screen in front of you to the distant horizon in a third of a second. How did these complex structures...

Learn about the human body's own "camera" as you explore the inner workings of the human eye. This resource is displayed as a three-dimensional, interactive animation.

Learn about the eye and how it processes color in this learning module.

Explore this interactive visual to learn the parts of the eye, what the function of each is, and how they work together to give us the ability to see.

Take a look inside the human eye in this slideshow of photos, eye diagrams and descriptions that help explain the parts and functions of the eye.

A one stop for all items about cow's eye dissection! Included on this website is a video of a dissection, interactive eye diagram to learn more about how the eye functions, and a step-by-step instructions to complete a cow dissection on...

This tutorial looks at the anatomy of the eye and how the sense of sight works. This is the first part of a learning module. Subsequent sections cover how images are formed and detected, the concept of accommodation where the eye adjusts...

Your eyes see, but how does vision happen? Find out how the eyes and brain work together through this video and accompanying activity guide. [6:09]

Match the right set of eyes with a famous celebrity. Can you get all 10 questions correct?

The anatomy of the eye, how it functions to allow us to see, and vision problems that can develop are described.

Students examine the structure and function of the human eye, learning some amazing features about our eyes, which provide us with sight and an understanding of our surroundings. Students also learn about some common eye problems and the...

The skeletal muscles are divided into two categories: the axial, muscles of the trunk and head, and the appendicular, muscles of the arms and legs. Learn here all about the axial muscles.

[Free Registration/Login may be required to access all resource tools.] The job of the eye is to focus light. The parts of the eye help it to carry out its job. Follow the path of light through the eye as you read about it. Learn more...

This webpage is a great resource for elementary teachers who are looking for activities, lessons, facts, and experiments pertaining to the eye.

This five-question quiz relating to refraction of light in the human eye.

An introduction to the human eye as it relates to the physics ray model of light and image formation.

Easy to understand description of the parts of the eye and their functions. Lots of labeled illustrations. At the bottom of the page additional content includes games, quizzes, lesson plans and activities about vision.

This StudyCards stack enables students to review the vocabulary about and physiology of the eye.

A scale model of the human eye is shown. Information about the parts of the eye and the common defects that result from its malfunctioning.

Test your knowledge of the human eye with this interactive labeling exercise.

Written by a former author of Biology textbooks, this page describes not only color vision, but the anatomy of the eye, and color blindness. Easy to understand language.

Take a look at a diagram of the eye, know its anatomy, physiology, and virtually dissect it.

Explains how the eyes of very diverse species have a common genetic ancestry.