Ophthalmology Book

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EntropionAka: Trichiasis

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  1. See Also
    1. Ectropion
  2. Epidemiology
    1. Most often occurs in patients over 50 years old
  3. Causes
    1. Weakening of support layers of lower lid
    2. Trachoma (rare in United States)
      1. Results in palpebral Conjunctiva scarring
      2. Can affect both upper and lower lids
  4. Symptoms
    1. Asymptomatic unless Trichiasis occurs
  5. Signs
    1. Lid turns inward toward globe
    2. Lower lid most often affected
  6. Complications: Trichiasis
    1. Lash margins turn inward and rub against Cornea
    2. Very symptomatic
  7. Management
    1. Surgical repair of entropion if trichiasis occurs

Entropion (C0014390)

Definition (MSH)The turning inward (inversion) of the edge of the eyelid, with the tarsal cartilage turned inward toward the eyeball. (Dorland, 27th ed)
ConceptsDisease or Syndrome (T047)
ICD9374.00
MSHD004774
EnglishEntropion, Entropion of eyelid, Entropions, Eyelashes turned in, Eyelid inverted, Eyelid turned in, Unspecified entropion
Spanishentropion, entropion no especificado
Parent ConceptsEntropion or trichiasis of eyelid NOS (C0339058), Eyelid Diseases (C0015423), Entropion (C0014390), Eyelid malposition (C1321342), Duplicate concept (C1274013)
SourcesCOSTAR, CSP, ICD9CM, MSH, NDFRT, OMIM, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)


Trichiasis (C0221259)

ConceptsDisease or Syndrome (T047)
ICD9704.2
EnglishTrichiasis, Trichiasis - eyelid
Spanishtriquiasis
Parent ConceptsHair Diseases (C0018500), Malposition of lashes (C0423849)
SourcesDXP, MTHICD9, OMIM, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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