The structure of an eye Illustration Play

The structure of an eye Animation Play

The structure of an eye Whiteboard exercise Play

The structure of the eye Whiteboard exercise Play

The structure of the eye Student activity Play

The sum of the exterior angles of a convex pentagon Animation Play

The sum of the exterior angles of a convex polygon Animation Play

The sum of the exterior angles of a convex polygon Student activity Play

Triangle tricks Animation Play

Types of eyes Whiteboard exercise Play

Types of lenses Simulation Play

Types of lenses Whiteboard exercise Play

Types of lenses Student activity Play

Types of lenses Slideshow Play

Untypical reflections Whiteboard exercise Play

Untypical reflections Student activity Play

Using the linear regression Student activity Play

Visual disorders Student activity Play

Wetting and meniscus Whiteboard exercise Play

Wetting and meniscus Student activity Play

Wetting of the sides of a container Animation Play

What is light? Student activity Play