Ophthalmology Book

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Pupil

Aka: Pupil, Pupil Disorders
  1. See Also
    1. Pupil Constriction (Miosis)
    2. Pupil Dilation (Mydriasis)
  2. Anatomy
    1. See Pupil Constriction (Miosis) for Neuroanatomy of Pupil Constriction
    2. Variable sized circular hole in pigmented iris
    3. Hole size controlled by 2 muscles
      1. Sphincter pupillae
        1. Circular muscle constricts pupil (Miosis)
        2. Parasympathetic fibers on CN3 from Edinger-Westphal Nucleus innervate the ciliary Ganglion
      2. Dilator pupillae
        1. Radial muscle dilates pupil (Mydriasis)
        2. Sympathetic inputs via:
          1. Hypothalamus
          2. Ciliospinal center of Budge and Waller
  3. Findings
    1. Pupil Normal in
      1. Conjunctivitis
    2. Pupil size changes
      1. Pupil Constriction (Miosis)
      2. Pupil Dilation (Mydriasis)
    3. Pupil distortion
      1. Posterior synechiae
        1. Inflammatory adhesion between lens and iris
      2. Tear drop-shaped pupil
        1. Suggests Globe Rupture with iris prolapse
    4. Pupil fixed, mid-dilated, slightly irregular
      1. Acute Glaucoma
    5. Absent Pupillary Light Reflex
      1. Structural lesion
      2. Hypothermia
      3. Barbiturate or Opiate Overdose

Pupil Disorders (C0034124)

Definition (MSH) Conditions which affect the structure or function of the pupil of the eye, including disorders of innervation to the pupillary constrictor or dilator muscles, and disorders of pupillary reflexes.
Concepts Disease or Syndrome (T047)
MSH D011681
SnomedCT 68633000
Italian Disturbo pupillare, Disturbo pupillare NAS, Disturbi pupillari, Disturbi della pupilla
Dutch pupilafwijking NAO, pupilaandoeningen, pupilafwijking, Pupilstoornis, Pupilstoornissen, Stoornis, pupil-, Stoornissen, pupil-
French Anomalie des pupilles SAI, Trouble pupillaire, Troubles pupillaires
German Pupillenstoerung NNB, Erkrankungen der Pupille, Pupillenstoerung, Störungen der Pupille
Portuguese Alteração pupilar NE, Distúrbios da Pupila, Transtornos da Pupila, Transtornos Pupilares, Alterações da pupila, Anomalia pupilar, Distúrbios Pupilares
Spanish Trastorno pupilar NEOM, trastorno pupilar (trastorno), trastorno pupilar, Trastornos de la pupila, Alteración pupilar, Trastornos de la Pupila
Japanese 瞳孔障害NOS, ドウコウショウガイ, ドウコウショウガイNOS, 遠心性瞳孔反応欠如, 異常瞳孔反応, 瞳孔反応-異常, 求心性瞳孔反応欠如, 瞳孔反応欠如, マ-カス-ガン瞳孔, 瞳孔機能異常, マ-カス・ガン瞳孔, 瞳孔障害, Marcus-Gunn瞳孔
Swedish Pupillstörningar
English PUPILLARY DIS, PUPIL DIS, Pupil disorders, Pupillary disorder NOS, Pupil Disorder, Pupillary Disorder, Pupillary Disorders, Pupil Disorders [Disease/Finding], Pupillary disorder, Disorder of pupil, Pupillary disorder (disorder), Pupillary disorder, NOS, Pupil Disorders
Finnish Mustuaisen sairaudet
Russian ZRACHKA FUNKTSII NARUSHENIIA, ZRACHKA FUNKTSII ANOMAL'NYE, ЗРАЧКА ФУНКЦИИ АНОМАЛЬНЫЕ, ЗРАЧКА ФУНКЦИЙ НАРУШЕНИЯ
Czech Poruchy zornice, Poruchy zornice NOS, Pupilární poruchy, poruchy zornic, pupila - poruchy, poruchy zornice
Croatian Not Translated[Pupil Disorders]
Polish Zaburzenia źreniczne, Odruchy źreniczne nieprawidłowe, Brak reakcji źrenic
Hungarian Pupilla eltérés k.m.n., Pupilla betegségek, Pupillaeltérés
Norwegian Pupillforstyrrelser
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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