Ocular injuries from blast have increased in recent wars, but the effectiveness of eye armor, developed for ballistic and laser protection, in preventing blast injuries remains unknown. The severity of the blast injuries and distance of the tertiary care facility from the injury site means that often patients are unable to recount the injury event, and witnesses are unavailable. These limitations hinder clinical studies of the effectiveness of the armor. The role of the following parameters remains unknown in designing the armor: underwash between the armor and face; clearance between the armor and face; compliance of the armor; angle of incidence of the blast wave; and contact force between the armor and the face. The possibility of the eye armor to fly off, to flex significantly and allow more underwash at a particular incidence angle of the blast wave are some of the open questions to be answered. Furthermore, the influence of these parameters on biomechanical deformation and stresses incurred by the globe due to blast overpressure is unknown.

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