The greatly diverse significances of the eye are discussed with an abundance of illustrations from the fields of mythology, religion, etymology, art, folklore, and

psychoneurotic symptomatology as well. The neurophysiological pathways and autonomic innervation concerned with the ocular part of emotional perception (and expression) are summarized. Punishment for scoptophilic indulgence may be executed on the eye, but this organ also can become deranged through the symbolization of rejection of insight. It is Hart's psychosomatic concept that this principle plays a role in glaucoma in which the patient strives 'to blot out forever a part of his life'.