What are the verge centre equations?
(For lenses and mirrors)

What are the focal length equations?

What is the equation for principle points?

What are the equations for power?
(Lense and mirror)

What is the shadow formula?

What is the magnification formula?

What is the equation for front vertex power?

What is the equation for back vertex power?

What is the equation for nodal points?

What is the mirror height formula?

What are the refraction in a block formulas?

What are the refraction formulas in a prism?