Keratitis pigmentosa or pigmentary keratitis is a chronic disease of the cornea, either inflammatory or degenerative and characterized by a brownish or black pigment deposit within the layers of this membrane. It is essentially a deep vascular or parenchymatous keratitis accompanied by an infiltration of melanin within the substance of the cornea. This disease is fairly common in the dog, especially the black, and also in the Pug, Pekingese, Japanese Spaniel, English Bulldog, Griffon, French Poodle and occasionally in other breeds, especially if treated as pets and confined to the home. [This case involves a five year old black French Poodle that was brought into the clinic on January 24th, 1951.....]