Hi - I'm working on the first part of the eye (from about 21:10) and as soon as I apply my lattice modifier to the sphere,...

Hi - I'm working on the first part of the eye (from about 21:10) and as soon as I apply my lattice modifier to the sphere, the sphere shrinks by about 50% and also doesn't behave in the way expected when I scale the lattice down. Any thoughts ...?