Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Anatomy of the Eye
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...
Science Struck
Science Struck: Lenticular Lenses: Working Principle
Explains what lenticular lenses are, how they work, different applications, and their advantages and disadvantages.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Image Formation/detection
Students discover the four parts of the eye are the most instrumental in the task of producing images that are discernible by the brain.
Michigan Reach Out
Making a Water Lens
This site provides a basic experiment that shows how a lens works. This lesson plan explains nearsightedness and farsightedness. It also explains concave and convex lenses.
Optical Society
Optical Society of America: Optics for Kids: Bending Light
An experiment using a water lens that demonstrates how the eye sees an image. Accompanied by an explanation of what's happening, and a link to an article on refraction.