[Where are the borders of trachoma? (author's transl)]

A case of a trachoma at scar-stage with entropion-trichiasis is recorded. The patient was a white woman having spent her whole life in Saint-Pierre and Miquelon Islands which are not affected by trachoma. The authors, then, review the present trends about the extraocular and ocular diseases caused by Chlamydia trachomatis.