Neonatology Book

Retinal Disorders

Congenital Abnormality

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Palpebral Fissure Finding

Aka: Palpebral Fissure Finding, Downslanting Palpebral Fissure, Upslanting Palpebral Fissure, Short Palpebral Fissure, Narrow Palpebral Fissure
  1. Definition
    1. Palpebral Fissure
      1. Eliptical opening between the eye lids
      2. Normally 1 cm high by 3 cm wide in adults
    2. Downslanting Palpebral Fissure
      1. http://elementsofmorphology.nih.gov/index.cgi?tid=1c4dc8688933b9ef
      2. Downsloping lie of the eye opening with the medial canthus appearing higher than the lateral canthus
      3. With both eyes affected, a line drawn from each lateral canthus to medial canthus meeting at the nasal bridge, will form a "^" appearance
    3. Upslanting Palpebral Fissure
      1. http://elementsofmorphology.nih.gov/index.cgi?tid=f103f00fcb26b7c4
      2. Upsloping lie of the eye opening with the medial canthus appearing lower than the lateral canthus
      3. With both eyes affected, a line drawn from each lateral canthus to medial canthus meeting at the nasal bridge, will form a "V" appearance
    4. Short Palpebral Fissure
      1. http://elementsofmorphology.nih.gov/index.cgi?tid=8ea165ff88fe04c3
      2. Narrow eye openings with a decreased distance between the medial and lateral canthus
  2. Causes: Upslanting Palpebral Fissure (V-shaped eye orientation) examples
    1. Trisomy 21 (Down Syndrome)
    2. Trisomy 9
    3. Microcephaly
    4. Prader-Willi Syndrome
  3. Causes: Downslanting Palpebral Fissure (^-shaped eye orientation) examples
    1. Marfan Syndrome
    2. Sotos Syndrome
    3. Lennox-Gastaut Syndrome
    4. Ehlers-Danlos Syndrome
  4. Causes: Short Palpebral Fissure (narrow eye opening) examples
    1. Fetal Alcohol Syndrome
    2. Williams Syndrome
    3. DiGeorge Syndrome

Palpebral fissure finding (C0423108)

Concepts Finding (T033)
SnomedCT 246798001, 386656009
English PF - Palpebr fissure observatn, PF - Palpebral fissure observation, Palpebral fissure observation, Palpebral fissure finding (finding), Palpebral fissure finding
Spanish fisura palpebral - hallazgo, fisura palpebral - hallazgo (hallazgo), hendidura palpebral - hallazgo (hallazgo), hendidura palpebral - hallazgo
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Short palpebral fissure (C0423112)

Concepts Finding (T033)
SnomedCT 246802000
English Short palpebral fissures, short palpebral fissures, short palpebral fissures (physical finding), Short palpebral fissure, Short palpebral fissure (finding)
Spanish hendidura palpebral corta (hallazgo), hendidura palpebral corta
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Upslanting palpebral fissures (C1853243)

Concepts Finding (T033)
English Upslanting palpebral fissures, Upslanted palpebral fissures, Upslanting palpebral fissure
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Downslanting palpebral fissures (C1865016)

Concepts Finding (T033)
English Downslanting palpebral fissures, Downslanting palpebral fissure, Downslanted palpebral fissures
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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