OSHA

An injury or illness is an abnormal condition or disorder. Injuries include cases such as, but not limited to, a cut, fracture, sprain, or amputation. Illnesses include both acute and chronic illnesses, such as, but not limited to, a skin disease, respiratory disorder, or poisoning. [29 CFR 1904.46]

Wisconsin Worker’s Compensation Statute

“Injury” means mental or physical harm to an employee caused by accident or disease, and also means damage to or destruction of artificial members, dental appliances, teeth, hearing aids and eyeglasses, but, in the case of hearing aids or eyeglasses, only if such damage or destruction resulted from accident which also caused personal injury entitling the employee to compensation therefore either for disability or treatment. [s. 102.1(1)(c), Wis. Stats.]