[Eye disease in pulmonary fibrosis]

The author describes a case of ocular affection in pulmonary fibrosis with an obscure aetiology and subsequent secondary polyglobulia. In addition to cyanosis of the mucosae and conjunctive the authors detected also cyanosis of the retina of both eyes and thrombosis of the central retinal vein on the right and prethrombosis on the left. The author gives an account of the differential diagnosis of diseases with a similar ophthalmological finding.