Corneal loss after perforation by microkeratome

Record number: 
Adverse Occurrence type: 
MPHO Type: 
Estimated frequency: 
Never reported before
Alerting signals, symptoms, evidence of occurrence: 
Three corneas were perforated shortly after one another. Microkeratome was situated in the operation theater.
Demonstration of imputability or root cause: 
Debris in turbine of microkeratome
Suggest references: 
TRIP annual report 2012 Biovigilance