[A case of post-traumatic occlusion of the central retinal artery].

We report a case of central retinal artery occlusion following a minor ocular injury. The occlusions are an uncommon but well following some surgical operations on the eyeball, the eyelids or the nose. They probably result from an arterial spasm which trigger mechanisms are not very well known.

[Mucocele of ophthalmologic expression and treatment apropos of 46 cases].

Mucoceles of the facial sinuses are benign tumors. They consist of a pouch made up from altered sinusal mucosa containing mucus ant inflammatory exudate. This tumors have a tendency to distension and to erode the bony walls.

[Palpebral Merkel cell tumors apropos of 3 cases].

The Merkel-cell tumor is a recently individualized (1972) malignant skin tumor. The diagnosis is made on the pathology. It consists of an intra-dermal proliferation of small regular cells with large nucleus and reduced cytoplasm.

[Chorioretinopathy of the Birdshot type. Apropos of a case].

Authors relate a case of Birdshot retinochoroidopathy and describe the complete clinic study of this pathology pointing out the pathognomomic signs which permit the diagnosis and the strong association with the Antigen HLA A 29.