[The use of grafts and prostheses in surgery on the lacrimal ducts].

A description is given of the different types of grafts: venous, arterial, skin and conjunctiva, as well as prostheses of plastic material, polyvinyl, silicon, used in the reparatory and reconstructive surgery of the lacrimal ducts. The author gives the indications, advantages and drawbacks of these grafts and prostheses and emphasizes the importance of prosthesis with polyvinyl probes in the reconstructive surgery of the lacrimal ducts over other methods.