Georgia State University
Georgia State University: Hyper Physics: Common Eye Defects
The eye and its common defects are discussed along with corrective measures.
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...
WebMD
Web Md: Hyperopia or Farsightedness
An informative site on hyperopia (or better known as farsightedness). It discusses what it is, what causes it, some of the symptoms, and how it is diagnosed and treated.
CK-12 Foundation
Ck 12: Life Science: Vision Correction
[Free Registration/Login may be required to access all resource tools.] You probably know people who need eyeglasses or contact lenses to see clearly. Maybe you need them yourself. Lenses are used to correct vision problems. Two of the...
Other
All About vision.com: Eye Conditions and Diseases
Many articles with consumer information about lenses, eyewear, eye problems, and unique eye conditions. Vast content and many links to off-site information.
Science Struck
Science Struck: Lenticular Lenses: Working Principle
Explains what lenticular lenses are, how they work, different applications, and their advantages and disadvantages.
CK-12 Foundation
Ck 12: Life Science: 11.49 Vision Correction
See how vision correction affects a person's eyesight.
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.
Other
Clear Vision Hawaii: Fa Qs About Pinhole Glasses
Using a question and answer format, this page discusses the technical aspect of pinhole glasses. Defines, illustrates and discusses pinhole glasses.