Abstract: At approximately 1:15 p.m. on August 14, 2001, Employee #1, a carpenter, was toe-nailing a roof truss at a new housing project with a pneumatic nail gun. The roof truss was on the top plate of a wall near a metal plate or strap. A nail ricocheted off the metal plate or strap, shattered the plastic lens of his sunglasses, and embedded a piece of the plastic lens in the cornea of his right eye. First aid was applied at the scene of the accident and the employee was transported to a ready care clinic and then to a local trauma center for treatment. Employee #1 was not wearing safety glasses at the time of the injury.