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Primary Etiologies of Deaf-Blindness - Frequency

by National Center on Deaf-Blindness on Sep 11, 2016
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2016 Deaf-Blind Child Count

Etiology: Frequency by Category  Frequency
Hereditary Syndromes and Disorders  

CHARGE Syndrome

924

Down syndrome (Trisomy 21 syndrome)

305

Usher I syndrome

215

Stickler syndrome

133

Dandy Walker syndrome

111

Goldenhar syndrome

107

Cornelia de Lange

99

Usher II syndrome

72

Wolf-Hirschhorn syndrome (Trisomy 4p)

71

Trisomy 13 (Trisomy 13-15, Patau syndrome)

55

Moebius syndrome

49

Trisomy 18 (Edwards syndrome)

49

Pierre-Robin syndrome

44

Norrie disease

42

Aicardi syndrome

34

Leber congenital amaurosis

34

Waardenburg syndrome

31

Pfieffer syndrome

28

Chromosome 18, Ring 18

27

Alstrom syndrome

26

Cri du chat syndrome (Chromosome 5p- synd)

24

Marshall syndrome

22

Treacher Collins syndrome

20

Refsum syndrome

18

Hurler syndrome (MPS I-H)

17

Crouzon syndrome (Craniofacial Dysotosis)

15

Bardet-Biedl syndrome (Laurence Moon-Biedl)

14

Cockayne syndrome

12

Kniest Dysplasia

11

NF1 - Neurofibromatosis (von Recklinghausen dis)

11

Turner syndrome

11

NF2 - Bilateral Acoustic Neurofibromatosis

10

Sturge-Weber syndrome

9

Usher III syndrome

9

Batten disease

6

Kearns-Sayre syndrome

6

Prader-Willi

6

Alport syndrome

5

Apert syndrome/Acrocephalosyndactyly, Type 1

5

Monosomy 10p

5

Hunter Syndrome (MPS II)

4

Leigh Disease

3

Marfan syndrome

3

Klippel-Feil sequence

2

Maroteaux-Lamy syndrome (MPS VI)

2

Morquio syndrome (MPS IV-B)

2

Optico-Cochleo-Dentate Degeneration

2

Smith-Lemli-Opitz (SLO) syndrome

2

Wildervanck syndrome

2

Hand-Schuller-Christian (Histiocytosis X)

1

Herpes-Zoster (or Hunt)

1

Scheie syndrome (MPS I-S)

1

OTHER: Hereditary Synd/ Disorders

1560

Pre Natal Congenital Complications

Cytomegalovirus (CMV)

292

Hydrocephaly

213

Microcephaly

208

Maternal Drug Use

77

Congenital Rubella

38

Fetal Alcohol syndrome

20

Congenital Toxoplasmosis

11

Neonatal Herpes Simplex (HSV)

10

OTHER: Pre-Natal/ Congenital Complications

510

Post Natal Non-Congenital Complications

Asphyxia

199

Severe Head Injury

161

Meningitis

135

Tumors

83

Stroke

56

Encephalitis

49

Infections

32

Chemically Induced

13

Direct Trauma to the eye and/or ear

10

OTHER: Post-Natal/ Non-Congenital

399

Complication of Prematurity

1028

No Determination of Etiology

1814

NCDB : The Research Institute : Western Oregon University : 345 N. Monmouth Ave. : Monmouth, OR 97361
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