Does the Use of a Moisture Chamber Decrease the Incidence of Corneal Abrasions in Critically Ill Pediatric Patients?

Inclusion Criteria: * Age greater than 42 weeks post-conceptual age and less than 18 years * Anticipated need for neuromuscular blockade therapy for at least 24 hours Exclusion Criteria: * Use of continuous neuromuscular blockade therapy for more than 36 hours (early intervention study) * Past medical history of abnormal blink reflex or incomplete lid closure * History of daily eye drop use * Facial trauma * Alteration in periorbital skin integrity prohibiting eyelid closure or effective creation of a moisture chamber * Known allergy to eye lubricant