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.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Nearsightedness/correction
A brief introduction to the physics side of nearsightedness, and how lenses correct this vision defect.