An IOP monitoring device for implantation in an eye of a patient may include a first tube
having a first opening, the first tube being configured to extend into an anterior chamber of
the eye and extend to a first sensor outside the anterior chamber. The first sensor may be in
fluid communication with the first opening of the first tube. The device also may include a
second tube having an opening spaced from a second sensor. The opening of the second
tube may be configured to be exposed to a pressure representative of atmospheric pressure …