释义 |
DictionarySeepupilArgyll Robertson pupil
pupil (P) [pu´pil] the opening in the center of the iris through which light enters the eye; see also Plate 17.Adie's pupil tonic pupil.Argyll Robertson pupil one that is miotic and responds to accommodation effort, but not to light.fixed pupil a pupil that does not react either to light or on convergence, or in accommodation.Hutchinson's pupil one that is dilated while the other is not.tonic pupil a usually unilateral condition of the eye in which the affected pupil is larger than the other, responds to accommodation and convergence in a slow, delayed fashion, and reacts to light only after prolonged exposure to dark or light; see also adie's syndrome. Called also Adie's pupil.Ar·gyll Ro·bert·son pu·pil (ar'gīl rob'ĕrt-sŏn), Do not hyphenate Argyll Robertson.A form of reflex iridoplegia characterized by miosis, irregular shape, and a loss of the direct and consensual pupillary reflex to light, with normal pupillary constriction to a near vision effort (light-near dissociation); often present in tabetic neurosyphilis. Synonym(s): Robertson pupilAr·gyll Ro·bert·son pu·pil (ahr'gīl rob'ĕrt-sŏn pyū'pil) A form of reflex iridoplegia characterized by miosis, irregular shape, and a loss of the direct and consensual pupillary reflex to light, with normal pupillary constriction to a near vision effort (light-near dissociation); often present in tabetic neurosyphilis. Argyll Robertson pupil A pupil which contracts normally when the eye focuses on a near object, but does not constrict when a bright light is shone into the eye. This indicates damage to part of the mechanism controlling the pupil reaction to light and was, at one time, taken to be an invariable indication of SYPHILIS affecting the nervous system. (Douglas Moray Cooper Lamb Argyll Robertson, Scottish ophthalmic surgeon, 1837–1909).Robertson, Douglas Moray Cooper Lamb Argyll, Scottish ophthalmologist, 1837-1909. Argyll Robertson pupil - a form of reflex iridoplegia often present in tabetic neurosyphilis. Synonym(s): Robertson pupilRobertson pupil - Synonym(s): Argyll Robertson pupilAr·gyll Ro·bert·son pu·pil (ahr'gīl rob'ĕrt-sŏn pyū'pil) Do not hyphenate Argyll Robertson.A form of reflex iridoplegia characterized by miosis, irregular shape, and a loss of the direct and consensual pupillary reflex to light. |