Ophthalmology Book

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Ptosis

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  1. Definition
    1. Failed eyelid opening
  2. Causes
    1. Congenital
      1. Bilateral paralysis of Levator palpebrae superioris
        1. Causes complete ptosis
    2. Acquired
      1. CN 3 Disease
      2. Encephalitis
      3. Horner's Syndrome (Incomplete ptosis)

Ptosis (C0033377)

Definition (MSH)The protrusion of an organ or part of an organ into a natural or artificial orifice.
ConceptsDisease or Syndrome (T047) , Anatomical Abnormality (T190)
EnglishCaudal displacement, Downward displacement, Inferior displacement, Procidentia, Prolapse, Prolapses, Ptosis
Spanishdesplazamiento caudal, desplazamiento descendente, desplazamiento en direccion inferior, procidencia, prolapso, ptosis
Parent Conceptsdistortion or displacement of body part (C0679321), Pathological Conditions, Anatomical (C0752135), Deformity (C0302142), Spatial Displacement (C0012727)
SourcesAOD, COSTAR, DXP, LCH, MSH, MTH, NCI, NDFRT, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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