Accommodation Animation Play

Adjusting sharpness Simulation Play

Adjusting sharpness Student activity Play

An image formed by a converging lens Animation Play

An image formed by a magnifying glass Animation Play

An image through a camera Animation Play

Astigmatism Animation Play

Binoculars Student activity Play

Binoculars Whiteboard exercise Play

Binoculars Whiteboard exercise Play

Binoculars Student activity Play

Characteristic rays Animation Play

Converging and diverging lenses Student activity Play

Converging lens Animation Play

Converging lens, f < x < 2f Simulation Play

Converging lens, f < x < 2f Whiteboard exercise Play

Converging lens, f < x < 2f Student activity Play

Converging lens, x < fower Whiteboard exercise Play

Converging lens, x > 2f Student activity Play

Converging lens, x > 2f Whiteboard exercise Play

Correction for astigmatism Animation Play

Correction for long-sightedness Animation Play

Correction for short-sightedness Animation Play

Different structures of the eye Student activity Play

Different structures of the eye Slideshow Play