Source : Webster's Revised Unabridged Dictionary (1913)

Bright's disease \Bright's" dis*ease"\ [From Dr. Bright of
   London, who first described it.] (Med.)
   An affection of the kidneys, usually inflammatory in
   character, and distinguished by the occurrence of albumin and
   renal casts in the urine. Several varieties of Bright's
   disease are now recognized, differing in the part of the
   kidney involved, and in the intensity and course of the
   morbid process.

Source : WordNet®

Bright's disease
     n : an inflammation of the kidney [syn: {nephritis}]