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...
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Farsightedness/correction
A brief introduction to the physics side of farsightedness, and how lenses correct this vision defect.
Khan Academy
Khan Academy: Hyperopia and Convex Lenses
This passage will test your knowledge on lenses.
Khan Academy
Khan Academy: The Physics of Eyesight Correction
This is five-question quiz pertaining to the physics of eyesight correction.
