Eli5 How do contact lenses stay in correct position following your eye movement?

Question

Eli5 How do contact lenses stay in correct position following your eye movement?

In: Technology

Answer 1

As the other poster stated, the eyes aren’t spherical and lenses are also designed to sit at the front of the cornea, so even if you look left/right/up etc. the lens moves with the eye and generally recentres itself when you are looking ahead again.