Laurence-Moon-Bardet-Biedl syndrome /lôr″əns mo̅o̅n″ bärdā′ bē′dəl/ [John Zachary Laurence, British ophthalmologist, 1829–1870; Robert C. Moon, American ophthalmologist, 1844–1914; Georges Bardet, French physician, b. 1885; Artur Biedl, Czechoslovakian physician, 1869–1933] , a hereditary condition characterized by obesity, hypogenitalism, cognitive deficits, extra fingers or toes, and retinitis pigmentosa. It is transmitted as an autosomal-recessive trait.