A method and apparatus for determining intracranial pressure includes a contact lens； a camera for making a plurality of images of at least one eye of a subject； one or more force transducers for controllably applying a force to the eye via the contact lens； a support system for supporting the camera, the contact lens and the one or more force transducers against the eye； and a computing device for controlling the force applied to the eye by the force transducers and stabilizing the force by negative feedback.
