Authors present four patients with combined hamartoma of the retina and retinal pigment epithelium who were observed for a period of 10 years. The significance of this entity lies primarily in its resemblance to malignant condition of the retina and choroid and in the vizual reduction. Clinical finding, diagnosis, natural history, histopathology, association with other diseases and therapy are discussed in this report as well.

        Key words: combined hamartoma of the retina and retinal pigment epithelium, diagnosis, fluorescein angiography, ultrasonography