![]() The differential diagnosis of anisocoria in an elderly Unilateral instillation of medication to eye Īnisocoria is more than half a millimeter difference in pupil size.Rhythmic pupillary dilation coincident with the pulse suggests aortic insufficiency (Landolfi's sign). Posterior inferior cerebellar artery syndrome.The differential diagnosis of Horner's syndrome includes: Miosis suggests Horner's syndrome (the small pupil is the abnormal one). Very small pupils (miosis) suggest narcotic use or hyperopia (farsightedness). Oval pupils are seen in syphilis or glaucoma. Scalloped pupils suggest rupture of the sphincter caused by amyloidosis. Pupils are usually a postsurgical or neurologic finding. Pupil that constricts with accommodation but does not react to light) can be seen in severe vitamin D deficiency. A unilateral Argyll Robertson pupil (small, irregular Irregularly shaped pupils suggest previous ophthalmic surgery or syphilis. Pupillary dilation and an elevated upper lid suggest cervical sympathetic dysfunction. The pupils should be round and equal in size. Eponyms and the diagnosis of aortic regurgitation: what says the evidence? Ann Intern Babu AN, Kymes SM, Carpenter-Fryer SM.Individual case photogrammetric calibration of the Hirschberg Ratio (HR) for corneal light reflection test strabometry.īinocul Vis Strabismus Q. Sood AK, Mithal S, Elhence A, Maini A.Reversal of oculomotor disorders after intracranial aneurysm surgery. Severe early-onset polyneuropathy in insulin-dependent diabetes mellitus.Ī clinical and pathological study. Said G, Goulon-Goeau C, Slama G, Tchobroutsky G.Argyll Robertson pupil and neurosyphilis. Pupillary abnormalities: their recognition and diagnosis. Savino PJ, Paris M, Schatz NJ, Orr LS, Corbett JJ.University of Iowa Health Care:ĭepartment of Opthalmology and Visual Sciences. TB uveitis: 48 yo AA woman with c/o of photophobia, tearing, and eye pain OU. Pain elicited by consensual pupillary reflex: a diagnostic test for acute iritis. Histopathologic and electron-microscopic futures of corneal and scleral collagen fibers in osteogenesis Eyelid disorders: diagnosis and management. Analysis of blink rate patterns in normal subjects. Bentivoglio AR, Bressman SB, Cassetta E, Carretta D, Tonali P, Albanese A.Soparkar CN, Patrinely JR, Cuaycong MJ, et al.Unilateral proptosis: the role of medical history. Kamminga N, Jansonius NM, Pott JW, Links TP.52 year old man with intermittent proptosis. Eye-contact, distance, and affiliation: the role of observer bias. The Power of Myth by Joseph Campbell, #5: Love and the Goddess, PBS/Mystic Fire Video/Parabola. For additional information visit Linking to and Using Content from MedlinePlus. Any duplication or distribution of the information contained herein is strictly prohibited without authorization. Links to other sites are provided for information only - they do not constitute endorsements of those other sites. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability. is accredited by URAC, for Health Content Provider (URAC's accreditation program is an independent audit to verify that A.D.A.M. Injury to the carotid or vertebral arteryĪ.D.A.M., Inc.Tumor, mass, or lymph node in the upper chest or lymph node causing pressure on a nerve may cause decreased sweating, a small pupil, or drooping eyelid all on the affected side (Horner syndrome).Seizure (pupil size difference may remain long after seizure is over).Infection of membranes around the brain ( meningitis or encephalitis).Increased intracranial pressure, because of brain swelling, intracranial hemorrhage, acute stroke, or intracranial tumor.Excess pressure in one eye caused by glaucoma.Brain tumor or abscess (such as, pontine lesions).Bleeding inside the skull caused by head injury.Other causes of unequal pupil sizes may include: Other medicines that get in the eyes, including medicine from asthma inhalers, can change pupil size. The use of eye drops is a common cause of a harmless change in pupil size.
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