National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Duane syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
- DR syndrome
- Duane radial ray syndrome (DRRS)
- Duane's retraction syndrome
- eye retraction syndrome
- retraction syndrome
- Stilling-Turk-Duane syndrome
- Duane syndrome Type IA, 1B, 1C
- Duane syndrome Type 2A, 2B, 2C
- Duane syndrome Type 3A, 3B, 3C
Duane syndrome (DS) is an eye movement disorder present at birth (congenital) characterized by horizontal eye movement limitation [a limited ability to move the eye inward toward the nose (adduction), outward toward the ear (abduction), or in both directions]. In addition, when the affected eye(s) moves inward toward the nose, the eyeball retracts (pulls in) and the eye opening (palpebral fissure) narrows. In some cases, when the eye attempts to look inward, it moves upward (upshoot) or downward (downshoot).
Duane syndrome falls under the larger heading of strabismus (misalignment of the eyes) under the subclassification of incomitant strabismus (misalignment of the eyes that varies with gaze directions) and subheading of what was previously termed extraocular fibrosis syndromes (conditions associated with fibrosis of the muscles that move the eyes), now termed Congenital Cranial Dysinnervation Disorders (CCDDs). The CCDDs are a group of congenital neuromuscular diseases resulting from developmental errors in innervation, the abnormalities involve one or more cranial nerves/nuclei with absence of normal innervation and/or secondary aberrant innervation. The group includes Duane syndrome, congenital fibrosis of the extraocular muscles (CFEOM), congenital ptosis, Marcus Gunn Jaw winking, Möbius syndrome, Crocodile tears, horizontal gaze palsy and congenital facial palsy, but this is not an exhaustive list.
Duane syndrome has been subdivided clinically into three types: Type 1, Type 2, and Type 3.
March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
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Schepens Eye Research Institute
20 Staniford Street
Boston, MA 02114-2500
NIH/National Eye Institute
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Bethesda, MD 20892-2510
NIH/Office of Rare Disease Research
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Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
Let Them Hear Foundation
1900 University Avenue, Suite 101
East Palo Alto, CA 94303
Cleft Lip and Palate Foundation of Smiles
2044 Michael Ave SW
Wyoming, MI 49509
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It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report
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Last Updated: 2/2/2012
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