casuistics

(kaz-u-is’tiks). The recording and study of cases of disease. reo us C., one containing a chalky deposit. capsular c., one which consists of an opacity in the capsule. capsulolenticular c., that which is seated partly in the capsule and partly in the lens. easeous c., cheesy c., a hyper mature cataract which has undergone a cheesy degeneration. central c., opacity of the center of the eye-lens. complete c., that form which involves the whole lens. complicated c., cataract due to disease of other parts of the eye. congenital c., one which originates before birth. contusion c., one which is due to shock or to injury of the eyeball. cortical c., a stellate opacity in the cortical layers of the lens. tic c., one which occurs as a complication of diabetes. disci ion of c., the rupturing of the capsule, so that the aqueous humor may gain acce to the lens. dry-shelled ec. Same as siliquose c. fibroid c., a variety of capsular cataract which does not affect the lens. fluid c., a hyper mature cataract in which the lens has become a milky fluid. fusiform c., a spindle-shaped opacity extending from the anterior to the posterior pole of the lens. general c., a cataract in which the opacity affects both the cortex and nucleus of the lens. gla blowers’ Φ., cataract in gla blowers, due to exposure to intense heat and light. glaucomatous c., opacity which is dependent upon an attack of glaucoma. green c., a greenish opacity, sometimes glaucomatous, and sometimes due to a slight lack of transparency in the media. dc., one with a hard nucleus. hyper mature c. one in which the lens has become either solid and shrunken or soft and liquid. immature c., includes the incipient and intercurrent varieties, or any cataract which affects only a part of the lens or capsule. incipient c., any cataract in its early stages, or one which has sectors of opacity with clear spaces intervening. infantile c., a lamellar cataract of early childhood, commonly a ociated with rickets or convulsions. intumescent c., one with an opaque and swollen lens. juvenile c., a soft cataract in a young person. lacteal c. Same as fluid c. lamellar €., opacity which affects certain layers only between the cortex and nucleus of the lens. tenticular c., opacity of the lens not affecting the capsule. mature c., one in which the lens is completely opaque. and is separable from_ its capsule. membranous c., an originally fluid cataract which has become reduced to a pellicle by lo of water. milky c. Same as fluid ε. mixed c. Same as generulc. morgagnian c., a fluid cataract with a hard nucleus. naphthac., cataract caused by the injection of naphthalin. nuclear c., one in which the opacity is seated in the central nucleus of the lens. overripe c. Same asx Aypermature c. partial €., any cataract which affects only a part of the lens: it may be central or fusiform. per i nuclear c., a disk-like opacity around the central nucleus of the lens. polar c. See anterior polur c. and posterior polar c. posterior polar ¢C., a capsular cataract with its seat at the center of the posterior pole. primary c., a cataract developing independently of any other disease. Progre ive c., one which, if not removed, pa es through three stages—the immature, the mature, and the hyper mature, and becomes total. punetate c., one made up of a collection of dotlike opacities. pyramidal c., a conoid anterior polar cataract with its apex pointing forward. ripe €. Same as malurec. sanguineous c., « blood clot in the pre pupillary opening. secondary ¢., a cataract that returns after it has once been removed by operation. sedimentary c., a soft cataract in which the denser parts have gravitated downward. senile c., a hard opacity of the nucleus of the lens of the eye, occurring in the aged. siliculose c., siliquose c., a cataract in which there is absorption of the lens, with calcareous deposit in the capsule, so that the atrophied lens resembles a silique. Called also dry-shelled c., arido- 13 198