Idiopathic choroidal folds. It is an entity with a low prevalence in the general population. It involves undulations of the choroid, Bruch’s membrane, the pigmented epithelium, and the outer retinal layers. In the case of idiopathic folds, the diagnosis is usually made as an incidental finding and patients are asymptomatic. They can also be observed in cases secondary to orbital tumors, hypotony, papillitis, hyperopia, posterior scleritis, and previous scleral surgery. They should be differentiated from retinal folds, characteristically present in alterations of the retinal surface.