Eye-tracking computer systems for inpatients with tetraplegia: findings from a feasibility study.

Study Design: A longitudinal, prospective, self-controlled cohort study.

Objectives: To determine (1) the preliminary benefits of using eye-tracking computer systems (ETCSs) among inpatients with tetraplegia and (2) the feasibility of carrying out a well-powered randomized controlled trial.

Setting: Specialist Spinal Cord Injuries Centre, United Kingdom; 6 months during 2013-2014.