Comparison of Pupilometer and Ultrasound of Optic Nerve Sheath Diameter in Estimating Intracranial Pressure (ICP) "CUSPICP"

Recruiting

Phase N/A Results N/A

Eligibility Criteria

Inclusion Criteria

- Age greater than or equal to 18 years old
- Intracranial pathology requiring either EVD or bolt placement for ICP measurement

Exclusion Criteria

- Known disorder of lens or orbit including but not limited to glaucoma, cataract, blindness, lens implants.
- Patients unable to close eyelids as this would increase risk of corneal abrasion from ultrasound probe.